@@ -169,7 +169,7 @@ function sql($hist_loop,$prev_tbl,$prev_dig,$loop,$hist_time,$last_tbl,$path,$ta
//search addr
- if(isset($z['rel_and'])) {
+ if(isset($z['rel_and']) and isset($prev_tbl['rel_and'])) {
foreach($z['rel_and'] as $z_rel_and=>$z_rel_and_name) {
$rel_and_ok=1;