Fixed broken init in phpunit run. Fixed access to uninitialized var. Throw...

Fixed broken init in phpunit run. Fixed access to uninitialized var. Throw exception if dndTable or form is missing.

extension/Source/core/AbstractBuildForm.php

@@ -1303,7 +1303,7 @@ abstract class AbstractBuildForm {
             $formElement[F_FE_DATA_PATTERN_ERROR] = empty($sanitizeMessage) ? F_FE_DATA_PATTERN_ERROR_DEFAULT : $sanitizeMessage;
         }
         if (empty($formElement[F_FE_DATA_MATCH_ERROR])) {
-            $formElement[F_FE_DATA_REQUIRED_ERROR] = F_FE_DATA_MATCH_ERROR_DEFAULT;
+            $formElement[F_FE_DATA_REQUIRED_ERROR] = F_FE_DATA_REQUIRED_ERROR_DEFAULT;
         }
 
         $attribute .= $this->getAttributeList($formElement, [F_FE_DATA_PATTERN_ERROR, F_FE_DATA_REQUIRED_ERROR, F_FE_DATA_MATCH_ERROR, F_FE_DATA_ERROR, FE_MIN, FE_MAX, FE_STEP]);
@@ -2514,7 +2514,7 @@ abstract class AbstractBuildForm {
         if (isset($formElement[FE_DND_TABLE])) {
             // Table is specified in parameter field
             $dndTable = $formElement[FE_DND_TABLE];
-        } else {
+        } elseif (!empty($formElement[SUBRECORD_PARAMETER_FORM])) {
             // Read table from form specified in subrecord
             $formName = $formElement[SUBRECORD_PARAMETER_FORM];
             $form = $this->dbArray[$this->dbIndexQfq]->sql("SELECT * FROM Form AS f WHERE f." . F_NAME . " LIKE ? AND f.deleted='no'",
@@ -2522,6 +2522,11 @@ abstract class AbstractBuildForm {
             if (count($form) > 0) {
                 $dndTable = $form[0][F_TABLE_NAME];
             }
+        } else {
+            throw new UserFormException(json_encode(
+                [ERROR_MESSAGE_TO_USER => 'Missing Parameter',
+                    ERROR_MESSAGE_SUPPORT => FE_DND_TABLE . ' or ' . SUBRECORD_PARAMETER_FORM]),
+                ERROR_MISSING_TABLE_NAME);
         }
 
         if ($dndTable) {