Hi Heinrich, you can delete the "test" patron from deletedborrowers with SQL to resolve the issue. DELETE FROM deletedborrowers WHERE borrowernumber = 57; The wiki page Alvaro linked to can then help to prevent the problem in the future if your DBMS doesn't have the fix for the autoincrement bug yet: https://wiki.koha-community.org/wiki/DBMS_auto_increment_fix Hope this helps, Katrin On 14.07.20 09:17, Heinrich Hartl wrote:

From koha/about <System Information>

Problems found

Patrons The following ids exist in both tables *borrowers* and *deletedborrowers*: 57

Yes, there is a borrowernr 57 in the table deletedborrowers with surname "test".

And there is also a borrowernr. 57 in the table borrowers (this one is a real user of the library)

What should I do to get rid of the deleted borrower 57?

Regards

Heinrich

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