File "/base/python_runtime/python_lib/versions/1/google/appengine/api/datastore_types.py", line 1324, in ValidateProperty prop_validator(name, v) File "/base/python_runtime/python_lib/versions/1/google/appengine/api/datastore_types.py", line 1215, in ValidatePropertyString ValidateStringLength(name, value, max_len=_MAX_STRING_LENGTH) File "/base/python_runtime/python_lib/versions/1/google/appengine/api/datastore_types.py", line 1205, in ValidateStringLength (name, len(value), max_len)) BadValueError: Property content is 1393 bytes long; it must be 500 or less. Consider Text instead, which can store strings of any length.

oops