src/Amadeus/Client/ResponseHandler/FOP/HandlerValidateFOP.php
protected function makeStatusForPotentiallyNonExistent($errorCatNode)
    {
        if ($errorCatNode instanceof \DOMNode) {
            $status = $this->makeStatusFromErrorQualifier($errorCatNode->nodeValue);
        } else {
            $status = Result::STATUS_ERROR;
        }

        return $status;
    }
protected function makeStatusForPotentiallyNonExistent($errorCatNode)
    {
        if ($errorCatNode instanceof \DOMNode) {
            $status = $this->makeStatusFromErrorQualifier($errorCatNode->nodeValue);
        } else {
            $status = Result::STATUS_ERROR;
        }

        return $status;
    }
Make status from a category DOMNode or default status.

@param \DOMNode|null $errorCatNode
@return string