Warning: DOMDocument::loadXML(): Empty string supplied as input in /tmp/src_e9d7e9266cbe50ab0a3de47dab2b8af0 on line 43

Catchable fatal error: Argument 1 passed to DOMDocument::importNode() must be an instance of DOMNode, null given, called in /zuromin-powiat/plugins/system/sourcerer/src/Code.php on line 83 and defined in /tmp/src_e9d7e9266cbe50ab0a3de47dab2b8af0 on line 47