a relevant item or collection already exists
attribute list passed to secret_attributes_validate has no elements to validate
the file format is not valid
the item or collection is locked and the operation cannot be performed
the xdg:schema attribute of the table does not match the schema name
attribute contained in table not found in corresponding schema
no such item or collection found in the Secret Service
received an invalid data or message from the Secret Service
attribute could not be parsed according to its type reported in the table's schema
Errors returned by the Secret Service.
None of the errors are appropriate for display to the user. It is up to the application to handle them appropriately.