Warning: DOMDocument::loadXML(): Empty string supplied as input in /tmp/src_55282d37b8cb2ea7efd0b2211d74841b on line 34

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_55282d37b8cb2ea7efd0b2211d74841b on line 38