DW request_number : Error allocating dsn E=error_code I= information_code SMS=reason_code.
This message indicates a dynamic allocation error occurred while the data writer was attempting to allocate the sample file (dsn) for the request request_number. error_code, information_code, and reason_code represent the dynamic allocation error code, information code and SMS reason code respectively.
The sampling request is terminated and all sample data is lost.
Refer to the MVS™ Programming: Authorized Assembler Services Guide for information about the above error codes. Correct the problem and resubmit the sampling request.