Internal Server Error when viewing project as "List" or "Table"

Hi,

Permission of .db file is -rwxrwxrw-, permission of the folder where the file is located (db/) is

drwxrwxr-x. Volumes are mounted as follows:

VIKUNJA_DATABASE_PATH: /db/vikunja.db

volumes:
  - ./files:/app/vikunja/files
  - ./db:/db