X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=inc%2Fgen_refback.php;h=59e457098d7325a4986cced399f01d6c91e5ff20;hb=3482b953460718915a60361a1073206654abde9e;hp=fe3b8672b2c8661f64ffe2d9618d4e4d0000f194;hpb=c3b4eaf29946349ff058691db2dcb615a5379bb2;p=mailer.git

diff --git a/inc/gen_refback.php b/inc/gen_refback.php
index fe3b8672b2..59e457098d 100644
--- a/inc/gen_refback.php
+++ b/inc/gen_refback.php
@@ -44,7 +44,7 @@ if (!defined('__SECURITY')) {
 loadIncludeOnce('inc/libs/refback_functions.php');
 
 // Sanity-check: Do we have ref level 0?
-$result = SQL_QUERY('SELECT `id` FROM `{?_MYSQL_PREFIX?}_refsystem` WHERE `level`=0', __FILE__, __LINE__);
+$result = SQL_QUERY('SELECT `id` FROM `{?_MYSQL_PREFIX?}_refsystem` WHERE `level`=0 OR `level` IS NULL', __FILE__, __LINE__);
 if (!SQL_HASZERONUMS($result)) {
 	// Remove index temporaly
 	SQL_ALTER_TABLE('ALTER TABLE `{?_MYSQL_PREFIX?}_refsystem` DROP INDEX `userid_level`', __FILE__, __LINE__);