Argument "" isn't numeric in numeric gt (>) at /kohadevbox/koha/koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt line 851. Argument "" isn't numeric in numeric gt (>) at /kohadevbox/koha/koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt line 854.