Indicates the message has an erroneous length with one
or more of the following:
- the Length field of the message header is less than 19 or
greater than 4096
- the Length field of an OPEN message is less than the minimum
length of the OPEN message
- the Length field of an UPDATE message is less than the
minimum length of the UPDATE message
- the Length field of a KEEPALIVE message is not equal to 19
- the Length field of a NOTIFICATION message is less than the
minimum length of the NOTIFICATION message
The erroneous Length field must be reported in the
NOTIFICATION data.