Fixed problem in subrecord when no record is selected.

extension/qfq/qfq/AbstractBuildForm.php

@@ -2392,7 +2392,7 @@ abstract class AbstractBuildForm {
             $linkNew = $flagNew ? Support::wrapTag('<th>', $this->createFormLink($formElement, 0, $primaryRecord, $this->symbol[SYMBOL_NEW], 'New')) : '<th></th>';
         }
 
-        $firstRow = isset($formElement[FE_SQL1][0]) ? $formElement[FE_SQL1][0] : null;
+        $firstRow = isset($formElement[FE_SQL1][0]) ? $formElement[FE_SQL1][0] : array();
         $htmlHead = $this->subrecordHead($linkNew, $flagDelete, $firstRow, $control);
         $htmlBody = '';
         foreach ($formElement[FE_SQL1] as $row) {