Title: Error strpos(): Empty needle Last modified: July 6, 2020 --- # Error strpos(): Empty needle * [flainaz](https://wordpress.org/support/users/flainaz/) * (@flainaz) * [5 years, 11 months ago](https://wordpress.org/support/topic/error-strpos-empty-needle-2/) * Hi, using the Formula field I have this error back: * Warning: strpos(): Empty needle in ../plugins/calculated-fields-for-acf/src/Fields. php on line 247 * what does it mean? * Thanks Viewing 4 replies - 1 through 4 (of 4 total) * [Ryan Hudson](https://wordpress.org/support/users/rhud/) * (@rhud) * [5 years, 11 months ago](https://wordpress.org/support/topic/error-strpos-empty-needle-2/#post-13110457) * I’m getting this same error: * `Warning: strpos(): Empty needle in ../plugins/calculated-fields-for-acf/src/ Fields.php on line 247` * [moxhus](https://wordpress.org/support/users/moxhus/) * (@moxhus) * [5 years, 10 months ago](https://wordpress.org/support/topic/error-strpos-empty-needle-2/#post-13161723) * I’m also getting the same error but it was not there before and i can’t figure out what is happening….. Some one to help please - This reply was modified 5 years, 10 months ago by [moxhus](https://wordpress.org/support/users/moxhus/). * Plugin Author [wundermatics](https://wordpress.org/support/users/wundermatics/) * (@wundermatics) * [5 years, 10 months ago](https://wordpress.org/support/topic/error-strpos-empty-needle-2/#post-13242757) * Hi, * Sorry for taking time to get back o this. We’ve had this reported directly to us via email as well. * Just an update for now, we’re looking into how to best solve this. * If possible, if any of you who are experiencing the issue want to help out, we’d be interested in seeing your ACF Field Group config for the post type that creates the issue. Export it via ACF -> Tools and paste the JSON file here. It will help us set upp tests to verify that we’ve solved the issue. * [moxhus](https://wordpress.org/support/users/moxhus/) * (@moxhus) * [5 years, 10 months ago](https://wordpress.org/support/topic/error-strpos-empty-needle-2/#post-13255641) * I don’t know how long it will take to resolve this but my clients are fed up of the error message. Anyways below is the Json file you requested…. [ { “key”:“ group_5f19acc5489a5”, “title”: “Monthly Reports”, “fields”: [ { “key”: “field_5f19f0595c278”,“ label”: “Basic Details”, “name”: “”, “type”: “tab”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” },“ formula”: “”, “readonly”: 0, “only_front”: 0, “placement”: “top”, “endpoint”: 0 }, { “key”: “field_5f199b3148b93”, “label”: “Year”, “name”: “year”, “type”:“ number”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”:{“ width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: 2020, “placeholder”: “”, “prepend”: “”, “append”: “”, “min”:“”,“ max”: “”, “step”: “” }, { “key”: “field_5f199bdc48b94”, “label”: “Month”, “name”:“ month”, “type”: “radio”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “choices”: { “January”: “January”, “February”: “February”,“ March”: “March”, “April”: “April”, “May”: “May”, “June”: “June”, “July”: “July”,“ August”: “August”, “September”: “September”, “October”: “October”, “November”:“ November”, “December”: “December” }, “allow_null”: 0, “other_choice”: 0, “default_value”:“”,“ layout”: “horizontal”, “return_format”: “value”, “save_other_choice”: 0 }, { “ key”: “field_5f19ffb9dd213”, “label”: “Rent Arrears”, “name”: “”, “type”: “tab”,“ instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “placement”:“ top”, “endpoint”: 0 }, { “key”: “field_5f20174ac1459”, “label”: “Total Rent Arrears Demanded”, “name”: “total_rent_arrears_demanded”, “type”: “number”, “instructions”:“”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: 0,“ placeholder”: “”, “prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f1a0109dd215”, “label”: “Rent Arrears Received”, “name”: “rent_arrears_received”,“ type”: “repeater”, “instructions”: “”, “required”: 0, “conditional_logic”: 0,“ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “collapsed”: “”, “min”: 0, “max”: 0, “layout”: “table”, “ button_label”: “Add New Arrears Payment”, “sub_fields”: [ { “key”: “field_5f1a0109dd216”,“ label”: “Tenant”, “name”: “tenant”, “type”: “post_object”, “instructions”: “”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “post_type”: [ “tenant”],“ taxonomy”: “”, “allow_null”: 0, “multiple”: 0, “return_format”: “object”, “ui”: 1 }, { “key”: “field_5f1a0109dd217”, “label”: “Rent Arrears Amount”, “name”: “ rent_arrears_amount”, “type”: “number”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”: “”, “prepend”: “UGX”,“ append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f1a029bdd223”,“ label”: “Arrears Start Date”, “name”: “arrears_start_date”, “type”: “date_picker”,“ instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”:“ d\/m\/Y”, “return_format”: “d\/m\/Y”, “first_day”: 1 }, { “key”: “field_5f1a14eea1946”,“ label”: “Arrears Start End Date”, “name”: “arrears_start_end_date”, “type”: “ date_picker”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”:{“ width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”: “d\/m\/Y”, “return_format”: “d\/m\/Y”, “first_day”: 1 },{“ key”: “field_5f1a0109dd218”, “label”: “Arrears Date Received”, “name”: “arrears_date_received”,“ type”: “date_picker”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”: “d\/m\/Y”, “return_format”: “d\/m\/Y”, “ first_day”: 1 } ] }, { “key”: “field_5f1a0112dd219”, “label”: “Total Rent Arrears Received”, “name”: “total_rent_arrears_received”, “type”: “number”, “instructions”:“”,“ required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “Sum(rent_arrears_received.rent_arrears_amount)”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”: “”, “prepend”: “UGX”,“ append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f20179cc145a”,“ label”: “Total Unpaid Rent Arrears”, “name”: “total_unpaid_rent_arrears”, “type”:“ number”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”:{“ width”: “”, “class”: “”, “id”: “” }, “formula”: “(total_rent_arrears_demanded)-( total_rent_arrears_received)”, “readonly”: 0, “only_front”: 0, “default_value”:“”,“ placeholder”: “”, “prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f19f00a5c277”, “label”: “Current Payments Details”, “name”: “”,“ type”: “tab”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”:{“ width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “placement”: “top”, “endpoint”: 0 }, { “key”: “field_5f199d3148b95”, “label”:“ Payments Received”, “name”: “payments_received”, “type”: “repeater”, “instructions”:“”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “collapsed”: “”, “min”: 0, “max”: 0, “layout”: “table”, “button_label”: “Add New Payment”, “sub_fields”:[{“ key”: “field_5f199f5048b98”, “label”: “Tenant”, “name”: “tenant”, “type”: “post_object”,“ instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “post_type”:[“ tenant” ], “taxonomy”: “”, “allow_null”: 0, “multiple”: 0, “return_format”: “ object”, “ui”: 1 }, { “key”: “field_5f3651ed55dec”, “label”: “Expected Rent”,“ name”: “expected_rent”, “type”: “number”, “instructions”: “”, “required”: 1, “ conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”:“”,“ readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”: “”, “prepend”:“ UGX”, “append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f199ef548b97”,“ label”: “Rent Amount”, “name”: “rent_amount”, “type”: “number”, “instructions”:“”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: “”,“ placeholder”: “”, “prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f1a150fa1947”, “label”: “Current Start Date”, “name”: “current_start_date”,“ type”: “date_picker”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”: “d\/m\/Y”, “return_format”: “d\/m\/Y”, “ first_day”: 1 }, { “key”: “field_5f1a156ba1948”, “label”: “Current End Date”,“ name”: “current_end_date”, “type”: “date_picker”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” },“ formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”: “d\/m\/Y”, “return_format”:“ d\/m\/Y”, “first_day”: 1 }, { “key”: “field_5f199e9f48b96”, “label”: “Current Date Received”, “name”: “current_date_received”, “type”: “date_picker”, “instructions”:“”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”: “ d\/m\/Y”, “return_format”: “d\/m\/Y”, “first_day”: 1 } ] }, { “key”: “field_5f19a08e48b99”,“ label”: “Total Current Rent Received”, “name”: “total_current_rent_received”,“ type”: “number”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “Sum(payments_received. rent_amount)”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”:“”,“ prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “ field_5f36523655ded”, “label”: “Total Expected Current Rent Received”, “name”:“ total_expected_current_rent_received”, “type”: “number”, “instructions”: “”, “ required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “Sum(payments_received.expected_rent)”, “readonly”: 0, “ only_front”: 0, “default_value”: “”, “placeholder”: “”, “prepend”: “UGX”, “append”:“”,“ min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f19fffbdd214”, “label”: “ Prepaid Rent”, “name”: “”, “type”: “tab”, “instructions”: “”, “required”: 0, “ conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”:“”,“ readonly”: 0, “only_front”: 0, “placement”: “top”, “endpoint”: 0 }, { “key”: “ field_5f1a020ddd21a”, “label”: “Prepaid Rent Received”, “name”: “prepaid_rent_received”,“ type”: “repeater”, “instructions”: “”, “required”: 0, “conditional_logic”: 0,“ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “collapsed”: “”, “min”: 0, “max”: 0, “layout”: “table”, “ button_label”: “Add New Prepaid Payment”, “sub_fields”: [ { “key”: “field_5f1a020ddd21b”,“ label”: “Tenant”, “name”: “tenant”, “type”: “post_object”, “instructions”: “”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “post_type”: [ “tenant”],“ taxonomy”: “”, “allow_null”: 0, “multiple”: 0, “return_format”: “”, “ui”: 1 },{“ key”: “field_5f1a020ddd21c”, “label”: “Prepaid Amount”, “name”: “prepaid_amount”,“ type”: “number”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”: “”, “prepend”: “UGX”,“ append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f1a0310dd226”,“ label”: “Prepaid Start Date”, “name”: “prepaid_start_date”, “type”: “date_picker”,“ instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”:“ d\/m\/Y”, “return_format”: “d\/m\/Y”, “first_day”: 1 }, { “key”: “field_5f1a0310dd227”,“ label”: “Prepaid End Date”, “name”: “prepaid_end_date”, “type”: “date_picker”,“ instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”:“ d\/m\/Y”, “return_format”: “d\/m\/Y”, “first_day”: 1 }, { “key”: “field_5f1a020ddd21d”,“ label”: “Prepaid Date Received”, “name”: “prepaid_date_received”, “type”: “date_picker”,“ instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”:“ d\/m\/Y”, “return_format”: “d\/m\/Y”, “first_day”: 1 } ] }, { “key”: “field_5f1a0213dd21e”,“ label”: “Total Prepaid Amount Received”, “name”: “total_prepaid_amount_received”,“ type”: “number”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “Sum(prepaid_rent_received. prepaid_amount)”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”:“”,“ prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “ field_5f19efa95c276”, “label”: “Expense Details”, “name”: “”, “type”: “tab”, “ instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “placement”:“ top”, “endpoint”: 0 }, { “key”: “field_5f19a35dac1aa”, “label”: “Monthly Expenses”,“ name”: “monthly_expenses”, “type”: “repeater”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” },“ formula”: “”, “readonly”: 0, “only_front”: 0, “collapsed”: “”, “min”: 0, “max”: 0, “layout”: “table”, “button_label”: “Add New Expense”, “sub_fields”: [ { “key”:“ field_5f36609ea1911”, “label”: “Activities carried Out”, “name”: “activities_carried_out”,“ type”: “checkbox”, “instructions”: “”, “required”: 0, “conditional_logic”: 0,“ wrapper”: { “width”: “50”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “choices”: { “Re-innovation”: “Re-innovation”, “Broker”: “ Broker”, “Roof Linking”: “Roof Linking”, “Painting”: “Painting” }, “allow_custom”: 1, “save_custom”: 1, “default_value”: false, “layout”: “horizontal”, “toggle”: 0, “return_format”: “value” }, { “key”: “field_5f19a35dac1ad”, “label”: “Rental”,“ name”: “rental”, “type”: “post_object”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “post_type”: [ “rental” ], “taxonomy”: “”, “allow_null”: 0, “multiple”: 0, “return_format”: “object”, “ui”: 1 }, { “key”: “field_5f19a35dac1ac”,“ label”: “Expense Amount”, “name”: “expense_amount”, “type”: “number”, “instructions”:“”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: “”,“ placeholder”: “”, “prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f19a35dac1ab”, “label”: “Date Incured”, “name”: “date_incured”,“ type”: “date_picker”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “display_format”: “d\/m\/Y”, “return_format”: “d\/m\/Y”, “ first_day”: 1 } ] }, { “key”: “field_5f19a470ac1ae”, “label”: “Total Expenses”,“ name”: “total_expenses”, “type”: “number”, “instructions”: “”, “required”: 0,“ conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”:“ Sum(monthly_expenses.expense_amount)”, “readonly”: 0, “only_front”: 0, “default_value”:“”,“ placeholder”: “”, “prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f1a052bdd228”, “label”: “Gross Current Month Payments Received”,“ name”: “”, “type”: “tab”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “placement”: “top”, “endpoint”: 1 }, { “key”: “field_5f19d2726ab2e”,“ label”: “Gross Current Month Rent Amount Received”, “name”: “gross_current_month_rent_amount_received”,“ type”: “number”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “(total_current_rent_received)-( total_expenses)”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”:“”,“ prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “ field_5f19eebeba130”, “label”: “Overall Monthly Summary”, “name”: “”, “type”:“ tab”, “instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: {“ width”: “”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “placement”: “top”, “endpoint”: 0 }, { “key”: “field_5f36542176b0f”, “label”:“ Empty Rentals”, “name”: “empty_rentals”, “type”: “group”, “instructions”: “”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “layout”: “table”, “ sub_fields”: [ { “key”: “field_5f3653c276b0e”, “label”: “Number of Empty Rentals this month”, “name”: “number_of_empty_rentals_this_month”, “type”: “number”, “ instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: 0, “placeholder”: “”, “prepend”: “”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f36545976b10”, “label”: “Total Expected Rent From Them”, “name”:“ total_expected_rent_from_them”, “type”: “number”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “id”: “” },“ formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: 0, “placeholder”:“”,“ prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”: “” } ] }, { “key”:“ field_5f3656f6a99c4”, “label”: “Total Arrears Received for this month”, “name”:“ total_arrears_received_for_this_month”, “type”: “number”, “instructions”: “”,“ required”: 1, “conditional_logic”: 0, “wrapper”: { “width”: “”, “class”: “”, “ id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “default_value”: 0,“ placeholder”: “”, “prepend”: “UGX”, “append”: “”, “min”: “”, “max”: “”, “step”:“”},{“ key”: “field_5f1a073edd22a”, “label”: “Expected Monthly Rent”, “name”: “expected_monthly_rent”,“ type”: “number”, “instructions”: “”, “required”: 1, “conditional_logic”: 0, “ wrapper”: { “width”: “”, “class”: “”, “id”: “” }, “formula”: “4355000-((empty_rentals. total_expected_rent_from_them)+(total_arrears_received_for_this_month))”, “readonly”: 0, “only_front”: 0, “default_value”: 4355000, “placeholder”: “”, “prepend”: “ UGX”, “append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f1a0801dd22d”,“ label”: “Current Rent Received”, “name”: “current_rent_received”, “type”: “number”,“ instructions”: “”, “required”: 0, “conditional_logic”: 0, “wrapper”: { “width”:“”,“ class”: “”, “id”: “” }, “formula”: “total_current_rent_received”, “readonly”: 0, “only_front”: 0, “default_value”: “”, “placeholder”: “”, “prepend”: “UGX”,“ append”: “”, “min”: “”, “max”: “”, “step”: “” }, { “key”: “field_5f1a0855dd22e”,“ label”: “Total Monthly Outstanding Balance”, “name”: 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“”, “class”: “”, “id”: “” }, “formula”: “”, “readonly”: 0, “only_front”: 0, “placement”: “top”, “endpoint”: 1 } ], “location”: [ [ { “param”: “post_type”,“ operator”: “==”, “value”: “monthly_report” } ] ], “menu_order”: 0, “position”:“ normal”, “style”: “default”, “label_placement”: “top”, “instruction_placement”:“ label”, “hide_on_screen”: “”, “active”: true, “description”: “” } ] Viewing 4 replies - 1 through 4 (of 4 total) The topic ‘Error strpos(): Empty needle’ is closed to new replies. * ![](https://ps.w.org/calculated-fields-for-acf/assets/icon-256x256.png?rev=2206639) * [Calculated fields for ACF](https://wordpress.org/plugins/calculated-fields-for-acf/) * [Support Threads](https://wordpress.org/support/plugin/calculated-fields-for-acf/) * [Active Topics](https://wordpress.org/support/plugin/calculated-fields-for-acf/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/calculated-fields-for-acf/unresolved/) * 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