RisingWave Community - What does the error 'ERROR: QueryError: internal error: failed to finish command: channel closed' mean when creating a sink in PG sink?

The error 'ERROR: QueryError: internal error: failed to finish command: channel closed' typically indicates a problem with the command execution or communication channel closure.
In Charlie's case, the issue was related to the data type mismatch between the column 'id' (UUID) and the expression type (character varying).
The error message suggests that the command execution failed due to an internal error in finishing the command, possibly caused by the data type mismatch.
To resolve this issue, Charlie adjusted the column type to match the expression type, which allowed the sink creation to work successfully.