Hello! After last updates wp-admin/post.php is not working.
Editing page causes error: “Updating failed. Error message: The response is not a valid JSON response.”
Editing product causes error: 403 Forbidden
I’ve tried to re-generate .htaccess file and check incorrect file permissions – not working.
Deactivating all WordPress plugins and activating only Xstore core and Woocommece – not working.
Help me please to fix this issue.