List Items - "Field 'items' doesn't exist on type 'Board'"

[DieSwartKat]

There is an error when using list_items

items = client.list_items(billing_board_id)

special variables function variables 'errors': [{'message': "Field 'items' doesn't exist on type 'Board'", 'locations': [...], 'path': [...], 'extensions': {...}}] special variables function variables 0: {'message': "Field 'items' doesn't exist on type 'Board'", 'locations': [{...}], 'path': ['query', 'boards', 'items'], 'extensions': {'code': 'undefinedField', 'typeName': 'Board', 'fieldName': 'items'}} special variables function variables 'message': "Field 'items' doesn't exist on type 'Board'" 'locations': [{'line': 1, 'column': 35}] 'path': ['query', 'boards', 'items'] 'extensions': {'code': 'undefinedField', 'typeName': 'Board', 'fieldName': 'items'} special variables function variables 'code': 'undefinedField' 'typeName': 'Board' 'fieldName': 'items' len(): 3 len(): 4 len(): 1 'account_id': 8319758 len(): 2