ORA-22289: cannot perform string operation on an unopened file or LOB
Cause: The file or LOB is not open for the required operation to be performed.
Action: Precede the current operation with a successful open operation on the file or LOB.
Cause: The file or LOB is not open for the required operation to be performed.
Action: Precede the current operation with a successful open operation on the file or LOB.
