One warning disappeared, but the flow is still valid.
@ -42,7 +42,5 @@ array(1) {
array(0) {
}
Warning: SimpleXMLElement::xpath(): Invalid expression in %s on line %d
Warning: SimpleXMLElement::xpath(): xmlXPathEval: evaluation failed in %s on line %d
Warning: SimpleXMLElement::xpath(): Invalid expression in %s on line %d%A
bool(false)