When analyzing a RC/Migrator for Db2 for z/OS (RCM) migration strategy online that is migrating an index the following message occurred:
RCO0013E: Internal Error service(ZOMPDCNV) RC=12 ;12 ,16
This is an internal message related to OFS (Object Framework Services) which generates the DDL.
This indicates there is not enough storage to analyze online.
Consult the documentation, try to increase the users TSO region size or analyze in Batch.
Documentation on Storage Requirements for DDL and HDDL can be found under product documentation section:
Address Storage Requirements