BIP8184
Severity
20 : Error
Message
Message set is not complete.
Explanation
A message set must be complete before performing an export. A message set is incomplete if it contains any incomplete messages. A message is incomplete if its type is incomplete. An empty type is incomplete if the type composition is not empty except for type composition message where the type content is not closed. A type is also incomplete if it has incomplete plug-in layer information or if it has an incomplete child. Similarly, a child is incomplete if its type is incomplete.
Response
Complete the message set and retry the command.