• Hi there, I’ve recently installed your plugin but I’m getting the following errors on the backend of my site after deactivating all other plugins.

    ERRORS:
    Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘RWMB_Simple_Proportions_Field’ does not have a method ‘add_actions’ in /home/content/p3pnexwpnas01_data01/23/3631223/html/wp-content/plugins/wp-property/vendor/plugins/wp-meta-box/inc/meta-box.php on line 80

    Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘RWMB_Simple_Proportions_Field’ does not have a method ‘add_actions’ in /home/content/p3pnexwpnas01_data01/23/3631223/html/wp-content/plugins/wp-property/vendor/plugins/wp-meta-box/inc/meta-box.php on line 80

    Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘RWMB_Fancy_Category_Field’ does not have a method ‘normalize_field’ in /home/content/p3pnexwpnas01_data01/23/3631223/html/wp-content/plugins/wp-property/vendor/plugins/wp-meta-box/inc/meta-box.php on line 412

    Warning: call_user_func() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in /home/content/p3pnexwpnas01_data01/23/3631223/html/wp-content/plugins/wp-property/vendor/plugins/wp-meta-box/inc/meta-box.php on line 80

    Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘RWMB_Simple_Proportions_Field’ does not have a method ‘add_actions’ in /home/content/p3pnexwpnas01_data01/23/3631223/html/wp-content/plugins/wp-property/vendor/plugins/wp-meta-box/inc/meta-box.php on line 80

    Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘RWMB_Dropdown_Pages_Field’ does not have a method ‘add_actions’ in /home/content/p3pnexwpnas01_data01/23/3631223/html/wp-content/plugins/wp-property/vendor/plugins/wp-meta-box/inc/meta-box.php on line 80

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  • Hello,

    Could you please e-mail me the details of the following:

    * Versions of all the products.
    * When does this error appear.
    * What are you trying to do when it appears.

    Usabilitydynamics.com/contact-us

    Will be waiting for your reply 🙂

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