- Some work done on correcting LDAP package compatibility

src/Query/OrderBy.php

@@ -18,6 +18,8 @@ class OrderBy extends Fragment {
 
     public function add(string $field, ? string $direction = null) : self
     {
+        $this->validateFieldType($field);
+
         $this->orderBy[] = [ $field, $direction ];
         
         return $this;