-20434 AN UPDATE OPERATION HAS SET ALL OF ITS TARGET COLUMNS TO UNASSIGNED
Explanation
Extended indicator variables are enabled, and all of the target columns in the assignment clause of an UPDATE or MERGE statement were set to UNASSIGNED. At least one of the extended indicator variable's values must be something other than UNASSIGNED.
System action
The statement cannot be processed.
System programmer response
Correct the value and reissue the statement.
SQLSTATE
22540