Index: trunk/core/kernel/db/dbitem.php
===================================================================
diff -u -r2095 -r2357
--- trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 2095)
+++ trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 2357)
@@ -473,7 +473,8 @@
 		{
 			$res = ( (string) $this->FieldValues[$field] != '');
 		}
-		if (!$res) $this->FieldErrors[$error_field]['pseudo'] = 'required';
+		$options = $this->GetFieldOptions($field);
+		if (!$res && getArrayValue($options, 'formatter') != 'kUploadFormatter') $this->FieldErrors[$error_field]['pseudo'] = 'required';
 		return $res;
 	}