I need help with this: PHP Catchable fatal error: Object of class WP_ Error could not be converted to string in / hosting/ www/ ortopediairati. es/ public/ wp- content/ themes/ irati/ rt- framework/ fun. Backward incompatible changes. object will now throw an Error exception on failure to. of resulting in a catchable fatal error if the PHP code. Does this error look familiar to you? Catchable fatal error: Object of class stdClass could not be converted to string in / wp- content/ plugins/ relevanssi/ lib/ common. Catchable Fatal Error: Object of class myBundle. and it will throw the catchable fatal error exception because. class should look like :