Merge branch 'fronkdev' into 'master'

Fixed crash in AddressDB::handleRimoStatusUpdate()

See merge request fronk/thetool!1671

application/AddressDB/AddressDB.php

@@ -226,9 +226,9 @@ class AddressDB {
             $log->debug(__METHOD__.": new Preorder Status flag: ".$matrix["pf"]);
 
             $preorder = PreorderModel::getFirstActive(["adb_wohneinheit_id" => $wohneinheit->id]);
-            $preorder->resetSaveNesting();
 
             if($preorder) {
+                $preorder->resetSaveNesting();
                 $preorderstatus = null;
                 $preorderstatus_flag = null;
                 if(array_key_exists("p", $matrix) && $matrix["p"]) {