HBO0387I Allocation of the data set dsname failed. rc=rc
The System Data Engine failed to allocate the data set. rc is the return code from the DYNALLOC macro.
The System Data Engine continued to process data but was not able to collect records from this data set.
Consult the MVS™ Programming: Authorized Assembler Services Guide for the return code from DYNALLOC. HBODUMP contains more information from the DYNALLOC macro.