Here’s what i did to solve the Problem: sudo -u postgres psql postgres postgres=> \list List of databases Name | Owner | Encoding | Collate | Ctype | ICU Locale | Locale Provider | Access privileges -----------+----------+----------+-------------+-------------+------------+-----------------+----------------------- postgres | postgres | UTF8 | de_DE.UTF-8 | de_DE.UTF-8 | | libc | template0 | postgres | UTF8 | de_DE.UTF-8 | de_DE.UTF-8 | | libc | =c/postgres + | | | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | de_DE.UTF-8 | de_DE.UTF-8 | | libc | =c/postgres + | | | | | | | postgres=CTc/postgres postgres=# ALTER DATABASE postgres REFRESH COLLATION VERSION; HINWEIS: Version wird von 2.35 in 2.36 geändert ALTER DATABASE postgres=# ALTER DATABASE template0 REFRESH COLLATION VERSION; FEHLER: invalid collation version change postgres=# ALTER DATABASE template1 REFRESH COLLATION VERSION; HINWEIS: Version wird von 2.35 in 2.36 geändert ALTER DATABASE postgres=# exit What was the error? I did not work on the right database. Thx again for bringing me on the Right path. PWO |