You can update the ad_user table ad_language entry in the database.
Note: You might have to restart the metasfresh docker stack afterwards!
Available ad_language values are:
| Language | Value |
|---|---|
| English | en_US |
| German | de_DE |
| Swiss German | de_CH |
Note: The above list is not exhaustive and other languages may be added!
Changes the current user language to German:
docker exec -u postgres metasfresh-docker_db_1 psql -d metasfresh -c "UPDATE ad_user SET ad_language = 'de_DE' WHERE ad_user_id = '100';"