168 - Unsupported device type. The data set is not available for the type of processing specified, or an attempt was made to open a reusable data set with the reset option while another user had the data set open.
Quote:
I/O 168(X'A8') One of the following user parameter list errors was detected for a CNVTAD/MNTACQ/ACQRANGE request:
No user list is specified(RPLARG=0)
Argument count is zero for CNVTAD/MNTACQ request
Parameter list not on word boundary
Can u plz explain this error in detail.I encountered this situation today.But my scenario is different.I was trying to delete an existing vsam file,Recreat it with same properties as of old one with aix's as well.n trying to open the vsam new file.
Its OPENed somehwere, thats why you are getting this error.
Find out who else is using this dataset, get it closed, then do your operations, you won't get 168 then.