Title: Deprecated errors Last modified: June 9, 2024 --- # Deprecated errors * Resolved [Tina Marker](https://wordpress.org/support/users/tina-marker/) * (@tina-marker) * [1 year, 11 months ago](https://wordpress.org/support/topic/deprecated-errors-16/) * Site above is in next to final build mode. Have the Call Now button on several sites with no issues. Installed on a site with a common theme template used before( Overlap) and am getting deprecated errors. How to fix? * **Deprecated**: Return type of cnb\admin\domain\CnbDomain::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/src/admin/ domain/CnbDomain.php** on line **182** * **Deprecated**: Return type of cnb\admin\domain\CnbDomainProperties::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/domain/CnbDomain.php** on line **243** * **Deprecated**: Return type of cnb\admin\domain\CnbDomain::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/src/admin/ domain/CnbDomain.php** on line **182** * **Deprecated**: Return type of cnb\admin\domain\CnbDomainProperties::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/domain/CnbDomain.php** on line **243** * [Skip to main content](https://theluvbugpetnanny.com/wp-admin/admin.php?page=call-now-button&action=edit&type=single&id=button_9f34895d_c6ff_43cf_9eda_b905223d9fb8&tid=cnb-25dd08ac-71e2-4d5f-886c-e6504e3f329f&tab=scheduler#wpbody-content) [Skip to toolbar](https://theluvbugpetnanny.com/wp-admin/admin.php?page=call-now-button&action=edit&type=single&id=button_9f34895d_c6ff_43cf_9eda_b905223d9fb8&tid=cnb-25dd08ac-71e2-4d5f-886c-e6504e3f329f&tab=scheduler#wp-toolbar) - 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attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/src/admin/ models/CnbUser.php** on line **126** * **Deprecated**: Return type of cnb\admin\models\CnbUserTaxId::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/models/CnbUser.php** on line **172** * **Deprecated**: Return type of cnb\admin\models\CnbUserTaxIdVerification::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/models/CnbUser.php** on line **205** * **Deprecated**: Return type of cnb\admin\models\CnbUserAddress::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/models/CnbUser.php** on line **249** * **Deprecated**: Return type of cnb\admin\models\CnbUserStripeDetails::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/models/CnbUser.php** on line **283** * **Deprecated**: Return type of cnb\admin\models\CnbUserMarketingData::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/models/CnbUser.php** on line **330** * **Deprecated**: Return type of cnb\admin\button\CnbButton::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/src/admin/ button/CnbButton.php** on line **238** * **Deprecated**: Return type of cnb\admin\button\CnbButtonOptions::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/button/CnbButton.php** on line **316** * **Deprecated**: Return type of cnb\admin\button\CnbMultiButtonOptions::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/button/CnbButton.php** on line **412** * **Deprecated**: Return type of cnb\admin\button\CnbScrollOptions::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/button/CnbButton.php** on line **454** * **Deprecated**: Return type of cnb\admin\action\CnbAction::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/src/admin/ action/CnbAction.php** on line **223** * **Deprecated**: Return type of cnb\admin\action\CnbActionProperties::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/action/CnbAction.php** on line **241** * **Deprecated**: Return type of cnb\admin\action\CnbActionSchedule::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in **/home9/theluvbu/public_html/wp-content/plugins/call-now-button/ src/admin/action/CnbAction.php** on line **291** * **Deprecated**: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in **/home9/theluvbu/public_html/wp-content/plugins/call- now-button/src/utils/cnb-backwards-compatible.php** on line **112** * **Deprecated**: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in **/home9/theluvbu/public_html/wp-content/plugins/call- now-button/src/utils/cnb-backwards-compatible.php** on line **115** - This topic was modified 1 year, 11 months ago by [Tina Marker](https://wordpress.org/support/users/tina-marker/). * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fdeprecated-errors-16%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 1 replies (of 1 total) * Plugin Author [Andrei Surdu](https://wordpress.org/support/users/_smartik_/) * (@_smartik_) * [1 year, 10 months ago](https://wordpress.org/support/topic/deprecated-errors-16/#post-17915026) * Thanks for reporting the PHP warnings but they are coming from another plugin(** call-now-button**) and not relevant to this plugin. Viewing 1 replies (of 1 total) The topic ‘Deprecated errors’ is closed to new replies. * ![](https://ps.w.org/wp-call-button/assets/icon-256x256.png?rev=2133457) * [WP Call Button - Easy Click to Call Button for WordPress](https://wordpress.org/plugins/wp-call-button/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-call-button/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-call-button/) * [Active Topics](https://wordpress.org/support/plugin/wp-call-button/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-call-button/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-call-button/reviews/) * 1 reply * 2 participants * Last reply from: [Andrei Surdu](https://wordpress.org/support/users/_smartik_/) * Last activity: [1 year, 10 months ago](https://wordpress.org/support/topic/deprecated-errors-16/#post-17915026) * Status: resolved