Unhandled exception occurred while running the Security Manager Control Center. (NETIQKB55885)

fact
Security Manager 5.6

symptom
Unhandled exception occurred while running the Security Manager Control Center.

symptom
Parameter is not valid error received when resizing the Most Common Event chart in the Security Manager Control Center Today Page.

symptom
Large Red X on chart on the Security Manager Control Center Today page.

symptom
Errors caused when resizing graphs on the Today page.

cause
This issue is caused when the the Most Common Event view is used in the Security Manager Control Center's Today Page and the chart is resized to be very small. 

fix

To resolve this issue:

1. When the error occurs, click Continue.  One of the charts should have a red X.
2. Resize the chart that has the red X making it big enough that you can see at least 2/3 of the red X.
3. On the Tasks pane for the Today page, click Configuration.
4. Click Finish.  This refreshes the chart and the red X should disappear.

Formerly known as NETIQKB55885