You are trying to run data collection on Unix assets but it fail with "System.Collections.Generic.KeyNotFoundException"
Option "Enable import and upgrade of BV-Control for UNIX agents" was initialized. Once this option is used it has to remain enabled.
1. Open Symantec CCS Console
2. Go to > Settings > General
3. Select Agents under Application Configuration section
4. Check option Enable import and upgrade of BV-Control for UNIX agents
5. Go to > System Topology > Map View
6. Click Infrastructure Tasks and select Sync Configuration