When adding new postal address to the existing library, it will cause a 'not null' error with the default language code field. However, this does not happen when creating a new library entry with postal address. The problem occurs only when adding postal address to a pre-existing library.
When adding new postal address to the existing library, it will cause a 'not null' error with the default language code field. However, this does not happen when creating a new library entry with postal address. The problem occurs only when adding postal address to a pre-existing library.
The original issue: https://projektit.kirjastot.fi/issues/5824