BTS0026W OPEN FAILED FOR SNAP OUTPUT DATA SET.

Explanation
 A SNAP dump
has been requested by the ./S command. IMS Batch Terminal Simulator has attempted,
unsuccessfully, to open the BTSSNAP output data set.

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 BTSSNAP. Correct and
rerun the job. See z/OS® DFSMS Macro Instructions for Data Sets for the probable
cause of the OPEN errors. 