Merge branch 'dev'

src/QUI/ERP/Accounting/Article.php

@@ -504,6 +504,10 @@ public function getQuantityUnit($Locale = null): string
         }
 
         try {
+            if (empty($this->attributes['quantityUnit']['id'])) {
+                return '';
+            }
+
             // @todo cache unit field entries
             $current   = $Locale->getCurrent();
             $unitId    = $this->attributes['quantityUnit']['id'];