Catchable fatal error: Argument 1 passed to CiviCRM_WP_REST\Autoloader::add_source() must be an instance of CiviCRM_WP_REST\string, string given, called in /var/sites/b/caftest.site/public_html/wp-content/plugins/civicrm/civicrm.php on line 691 and defined in /var/sites/b/caftest.site/public_html/wp-content/plugins/civicrm/wp-rest/Autoloader.php on line 64

1 Answer 1


Do you have the CiviCRM WP REST API Wrapper plugin installed? If so,try disabling that as it's not required with newer versions of Civicrm

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