To test:
1) In staff interface open up a patron record
2) Click More -> Delete, and then "Yes, delete"
3) Notice 500 error
4) Apply patch
5) Notice error is now gone when deleting
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>