To find out more information on RC74(081) or DB01401E:
DB01401E MVS DYNAMIC ALLOCATION ERROR, DDNAME=xxxxxx, R15=n,
----- (SVC99 or DYNALLOC Error Reason Code)
The following is a list of the common ERROR codes:
. 0210 - Requested data set unavailable. The dataset is allocated to another job and it's usage
attribute conflicts with this request. (dsname allocation)
. 0214 - Unit not available.
. 0218 - Specified volume or an acceptable volume is not mounted.
. 0238 - Space unavailable in task I/O table (TIOT)
. 1708, 1718, 172C - LOCATE error. Cannot find dsname in catalog, volume, etc.
. 0450 - Request caused the limit of concurrent allocations (TIOT) to be exceeded.
(The ERROR= value is obtained from DYNALLOC S99ERROR)
(The INFO= value is obtained from DYNALLOC S99INFO)
(For a complete list of reason codes, refer to the
z/OS V1R9.0 MVS Programming: Authorized Assembler Services Guide
manual number SA22-7608-07 section 26.3 Interpreting DYNALLOC Return Codes)