- return "Unknown usersvc (svc_acct.svcnum): ". $self->usersvc
- unless qsearchs('svc_acct', { 'svcnum' => $self->usersvc } );
+ if ( $self->usersvc ) {
+ return "Unknown usersvc0 (svc_acct.svcnum): ". $self->usersvc
+ unless qsearchs('svc_acct', { 'svcnum' => $self->usersvc } );
+ }