When we try to pull the report from idash, it just pulls last 7 days data, Report definition says that it has to pull the last 3 days data.
Housekeeping script was removing the *.mst files older than 7 days from the archive and final directories.
Release : 12.1
Component : CA WORKLOAD AUTOMATION iDASH FOR CA 7
Removed housekeeping script that was removing the *.mst files.
Additional troubleshooting tips for missing data.