Not sure yet:
  code: 11
  category: "don't know yet"

Can't delete item 0:
  code: 100
  category: "don't know yet"
  message: "You can't delete item number 0. This item contains mandatory Config for the Server."

Error with Surrealdb:
  code: 128
  category: "data_storage"

num_of_items missing in item0:
  code: 101
  category: "key_missing::item0::num_of_items"

next_free_id missing in item0:
  code: 102
  category: "key_missing::item0::next_free_id"

_commit missing in item0:
  code: 103
  category: "key_missing::item0::_commit"

_commit missing:
  code: 103
  category: "key_missing::_commit"

could not read index of item:
  code: 104
  category: "data_storage::index_not_found"

_commit not 8 bytes long:
  code: 105
  category: "don't know yet"

error while parsing int:
  code: 106
  category: "parse_error"

error with message sent to the server:
  code: 107
  category: "faulty_message"

missing metadata:
  code: 108
  category: "faulty_message"

something that should be utf8 valid was not:
  code: 109
  category: "faulty_message"

ParseIntError:
  code: 110
  category: "faulty_message"

_commit can't be updated:
  code: 111
  category: "faulty_update"

no / on the end of id:
  code: 112
  category: "faulty_message"