We are seeing a lot of this in our logs lately: [2023/07/07 10:30:17] [WARN] Use of uninitialized value in addition (+) at /usr/share/koha/lib/Koha/Acquisition/Order.pm line 520. [2023/07/07 10:30:17] [WARN] Use of uninitialized value in addition (+) at /usr/share/koha/lib/Koha/Acquisition/Order.pm line 521. [2023/07/07 10:30:17] [WARN] Use of uninitialized value in addition (+) at /usr/share/koha/lib/Koha/Acquisition/Order.pm line 527. [2023/07/07 10:30:17] [WARN] Use of uninitialized value in multiplication (*) at /usr/share/koha/lib/Koha/Acquisition/Order.pm line 532. [2023/07/07 10:30:17] [WARN] Use of uninitialized value in addition (+) at /usr/share/koha/lib/Koha/Acquisition/Order.pm line 587. [2023/07/07 10:30:17] [WARN] Use of uninitialized value in multiplication (*) at /usr/share/koha/lib/Koha/Acquisition/Order.pm line 591. It might be nice to quiet these down a bit :)