ERROR: INVALID XML RESPONSE

getQuestionsH(); $v_questions = $client->getQuestionsV(); ?> getRows(); $y++): ?> getCols(); $x++): ?> getLetter($x, $y) ? "cellLetter" : "cellEmpty"; ?>

getQuestionNr($x, $y); echo $nr; $letter = $client->getLetter($x, $y); if ($letter && !$nr) echo " "; //echo $letter; ?>

Horizonatally:
. ()

Vertically:
. ()