Oracle Error ORA-34647: (MXSQL18) The text expression in a CURSOR FOR TEXT declaration cannot be NA.

Oracle Error Message

ORA-34647: (MXSQL18) The text expression in a CURSOR FOR TEXT declaration cannot be NA.

Reason for the Error

The text for the SELECT expression in a CURSOR FOR TEXT declaration was evaluated at compile time as NA.

Solution

Specify a text expression that is not NA at the time the program containing the SQL DECLARE is compiled.