BTS0117W OPEN FAILED FOR ACBLIB DATA SET.

Explanation
 The BTSACB data set
could not be successfully
opened by IMS Batch Terminal Simulator. IMS Batch Terminal Simulator might
report an incorrect length on the BTSOUT or TSO screen when ISRT call
for the DEDB is issued.

System action
 IMS Batch Terminal Simulator continues
processing.

User response
 Check the DD statement in the JCL or the ALLOC statement in the CLIST for BTSACB. For the
probable causes of the OPEN errors, see z/OS® DFSMS Macro Instructions for Data Sets.