If your EPO Master Repository is empty, it is because the “catalog.z” file is damaged.
The is the fix:
Step 1:
Log on the EPO Server and browse to path: “C:\Program Files\McAfee\ePolicy Orchestrator\DB\Software”
Step 2:
Rename the file “catalog.z” to “catalog.z.old”
Step 3:
Restart service “McAfee Engine Service”
Step 4:
Log on the web interface and go to “Menu – > Software – > Master Repository”
Step 5:
Click “Pull Now”
Step 6:
Click “Actions – > Check In Package”