[Koha] Error in step - Upgrade to [10:59:41]: Bug 15067

David L. Whelchel dlwhelchel at outlook.com
Fri Dec 3 08:11:42 NZDT 2021

Hi all,

I have received this error when upgrading from  to 21.11. I do not see any information in the bug list or lists.

Updating database structure
Update errors :

Upgrade to [10:59:41]: Bug 15067 - Add missing languages
ERROR: {UNKNOWN}: DBI Exception: DBD::mysql::db do failed: Duplicate entry 'IN-region' for key 'uniq_lang' at /usr/share/koha/lib/C4/Installer.pm line 738

Any help would be appreciated.

David L. Whelchel
725 SE Derby Street
Pullman, WA 99163
whelchel at pullman.com

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