USB LOG WRITTEN FAIL IN SEPM

I have a problem with the logs to usb written i have seen only the log in SEP but i can't see this informarion on SEPM.

I tryed since:

1: log in SEPM

2: click "Monitor" on the SEPM left panel

3: click " logs" tag

4:choose " application and device control" as log type, choose " application control" as log content.

5: choose the approperal time range and click " view log" button

6: you can find the same information from database table" DBA.AGENT_BEHAVIOR_LOG_2"

But not work.

what is the problem?