FABN0012E DBD NAMED [`dbdname` | `acbname`] HAS UNKNOWN ACCESS CODE - HEX `nn`

Explanation
 The loaded DBD (or DBD-type ACB) dbdname has
an unknown access method code. nn is the unknown
code, in hexadecimal.

System action
  Ends the reversal process for this DBD and issues
an error message with dump of this module to the SYSOUT data set.
Then continues processing with the next module.

User response
 Correct the DBD having the unknown access code,
and rerun the utility.