[Koha] Upgrade errors

Tim Young Tim.Young at LightSys.org
Wed Jan 8 10:07:08 NZDT 2025


I was helping some people do-release-upgrade from Ubuntu 18.04, to 22.04 
and their koha was updated as well.

I believe the previous version was 21.05.05-3.

We upgraded the OS on the machine to 20.04, then to 22.04, and then 
upgraded Koha to 24.11.00-1.  During the package configuration 
(repeatable by doing: dpkg --configure koha-common) we get the following 
response and error:

root at elearning:/var/log# dpkg --configure koha-common
Setting up koha-common (24.11.00-1) ...
Upgrading database schema for opac
Can't use string ("0E0") as a HASH ref while "strict refs" in use at 
/usr/share/koha/lib/C4/Installer.pm line 757.
dpkg: error processing package koha-common (--configure):
  installed koha-common package post-installation script subprocess 
returned error exit status 255
Errors were encountered while processing:
  koha-common


I tried looking through the log files to see if there was an "install 
log," but I did not see one.  The code looks like it is applying 
individual updates schema, and one of them is failing.  I am not sure 
how to figure out which one is failing, to then figure out why.



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