DSNU1257I `csect-name` - REFERENCE TO LOB OR XML DATA IN A WHEN CLAUSE IS NOT ALLOWED IF THE LOAD STATEMENT SPECIFIES FORMAT SPANNED YES.

Explanation
A WHEN clause of a LOAD statement references data
that is not in the first segment of a spanned record.

csect-name

The name of the control section that issued
the message.

System action
The utility job terminates. 

User response
Modify the WHEN clause to remove references to
data beyond the first segment of a spanned record.

Severity
 8 (error)

DSNU1257I csect-name - REFERENCE TO LOB OR XML DATA IN A WHEN CLAUSE IS NOT ALLOWED IF THE LOAD STATEMENT SPECIFIES FORMAT SPANNED YES.