In koha 16.05.04 when tries to export the default framework, generates an emtpy file even choosing any format. In plack-error.log Use of uninitialized value $mode in string eq at /usr/share/koha/lib/C4/ImportExportFramework.pm line 212. Use of uninitialized value $mode in string eq at /usr/share/koha/lib/C4/ImportExportFramework.pm line 212. Use of uninitialized value $mode in string eq at /usr/share/koha/lib/C4/ImportExportFramework.pm line 232. Use of uninitialized value $mode in string eq at /usr/share/koha/lib/C4/ImportExportFramework.pm line 232. Use of uninitialized value $mode in string eq at /usr/share/koha/lib/C4/ImportExportFramework.pm line 249. Use of uninitialized value $mode in string eq at /usr/share/koha/lib/C4/ImportExportFramework.pm line 251. Use of uninitialized value $format in string eq at /usr/share/koha/intranet/cgi-bin/admin/import_export_framework.pl line 58. Use of uninitialized value $format in string eq at /usr/share/koha/intranet/cgi-bin/admin/import_export_framework.pl line 65. There is no problem when exporting any other framework TEsted in Koha 16.05.04 on Debian 8 with plack enabled
I believe this was solved in 16.05.05 in bug 16035. If not, bug 17389. *** This bug has been marked as a duplicate of bug 17389 ***