FABZ102W Specify an even value for the RBA because this HALDB is registered in RECON as DSORG=OSAM and the active DBDS is an A-side data set.

Explanation

This database is registered in RECON as DSORG=OSAM, which means that the maximum data set capacity is 4 GB. Also, the current active database data sets of this HALDB are A-side data sets. For a HALDB in such a state, an even value must be specified for the RBA.