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Deprecated: contextual_help is deprecated since version 3.3.0! Use get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab() instead. in …/wp-includes/functions.php on line 5152

There can be several plugins related to the issue, but it can be also SendGrid plugin. The fix this problem modify sendgrid-email-delivery-simplified/lib/class-sendgrid-settings.php in line 52 – replace: add_filter( ‘contextual_help’, array( __CLASS__, ‘show_contextual_help’ ), 10, 3 ); with: add_filter( ‘current_screen’, array( __CLASS__, ‘show_contextual_help’ ), 10 ); And replace public function in line 101 public static function […]