The external subfield name is too long; name defaults to
blanks.
20
Cause . . . . . : The length of
the internal name generated by applying the PREFIX keyword to the external
subfield name is greater than 10.
Recovery . . . : Perform one of the
following:
- Rename the subfield using the EXTFLD keyword to ensure that the PREFIX
keyword will not be applied to this subfield.
- Change the name in the external description or modify the PREFIX keyword
to ensure that the generated name is less than or equal to 10
characters.