use correct method calls, fixes #1239

Closes #1239

Merge request studip/studip!754

lib/classes/AuthorObject.class.php

@@ -231,7 +231,7 @@ class AuthorObject
             return;
         }
         $this->throwError($no, $str, $line, $file, ERROR_CRITICAL);
-        echo createErrorReport($this, "Schwerer PHP-Laufzeitfehler");
+        echo MessageBox::error("Schwerer PHP-Laufzeitfehler");
     }
 }
 

lib/classes/DatabaseObject.class.php

@@ -86,7 +86,7 @@ class DatabaseObject extends AuthorObject
     public function setObjectID($objectID)
     {
         if (empty ($objectID))
-            throwError(1, _("Die ObjectID darf nicht leer sein."));
+            $this->throwError(1, _("Die ObjectID darf nicht leer sein."));
         else
             $this->objectID = $objectID;
     }
@@ -112,7 +112,7 @@ class DatabaseObject extends AuthorObject
     public function setAuthorID($authorID)
     {
         if (empty ($authorID))
-            throwError(1, _("Die AuthorID darf nicht leer sein."));
+            $this->throwError(1, _("Die AuthorID darf nicht leer sein."));
         else
             $this->authorID = $authorID;
     }
@@ -138,11 +138,9 @@ class DatabaseObject extends AuthorObject
     public function setRangeID($rangeID)
     {
         if (empty ($rangeID))
-            throwError(1, _("Die RangeID darf nicht leer sein."));
+            $this->throwError(1, _("Die RangeID darf nicht leer sein."));
         else
             $this->rangeID = $rangeID;
     }
 
 }
-
-?>

lib/classes/StudipObject.class.php

@@ -161,7 +161,7 @@ class StudipObject extends AuthorObject {
     */
    function setAuthorID ($authorID) {
      if (empty ($authorID))
-       throwError (1, _("Die AuthorID darf nicht leer sein."));
+       $this->throwError (1, _("Die AuthorID darf nicht leer sein."));
      else
        $this->authorID = $authorID;
    }