DSNT498I ERROR, NO VALID COLUMNS FOUND

Explanation
The PREPARE returned data which did not produce a valid output record.
The data was not recognized as valid, so the columns were not unloaded.

System action
The next table is processed.

System programmer response
See the Problem Determination section.

User response
Notify the system programmer.

Problem determination
There is an error in the unload program. When reporting this problem, have
the application program listing and its JCL available.