One of the protocol's length limitations was violated.
| Instance Variable | isKey | true if the string being encoded in a key position, false if it was in a value position. |
| Instance Variable | isLocal | Was the string encoded locally, or received too long from the network? (It's only physically possible to encode "too long" values on the network for keys.) |
| Instance Variable | value | The string that was too long. |
| Instance Variable | keyName | If the string being encoded was in a value position, what key was it being encoded for? |
| Method | __init__ | Undocumented |
| Method | __repr__ | Undocumented |