To reproduce: 1. Make some holds for a patron 2. Fulfill the hold then check it back in 3. Delete the biblio 4. Explode Template process failed: undef error - DBIC result _type isn't of the _type Biblio at /kohadevbox/koha/koha-tmpl/intranet-tmpl/prog/en/modules/members/holdshistory.tt line 73. at /kohadevbox/koha/C4/Templates.pm line 127
old_reserves is pointing to a non-existent biblionumber
*** This bug has been marked as a duplicate of bug 34609 ***