+ if ( $self->crednum ) {
+ my $cust_credit = qsearchs('cust_bill', { 'invnum' => $self->invnum } )
+ or do {
+ $dbh->rollback if $oldAutoCommit;
+ return "Unknown cust_credit.crednum: ". $self->crednum;
+ };
+ $self->custnum($cust_credit->custnum);
+ }
+