my $end_callnumber = $query->param("end_callnumber");
my $start_accession =
( $query->param("start_accession") )
- ? dt_from_string( $query->param("start_accession") )
+ ? dt_from_string( scalar $query->param("start_accession") )
: '';
my $end_accession =
( $query->param("end_accession") )
- ? dt_from_string( $query->param("end_accession") )
+ ? dt_from_string( scalar $query->param("end_accession") )
: '';