While updating Matomo to 4.0.1 (from 3.14.1) I get the following error report:
" Kritischer Fehler während der Aktualisierung:
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry ‘…’ for key ‘PRIMARY’"
When I try to access matomo, I am forwarded to the updater again.
But I get the same error.
Any ideas how to solve the problem?
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