When open the View Submitted Tasks the following message is displayed at the bottom of the page: "An error occurred while displaying this page."

The "View Submitted Task" Admin Task has the "Allow custom column" option checked

Identity Manager 14.3 CP1

Modify the "View Submitted Task" Admin Task and select the Tabs tab, click Edit pencil beside "Submitted Tasks".

If the "Allow custom column" option is checked, uncheck it and Submit the changes

In case you need this option checked, apply the 14.3 CP2 in your Identity Manager environment.

vApp 14.3 CP2 download

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/layer7-identity-and-access-management/identity-suite/14-3/release-notes/Virtual-Appliance-Release-Notes/Latest-cumulative-patches-for-download.html

Non-vApp 14.3 CP2 download:

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/layer7-identity-and-access-management/identity-manager/14-3/Release-Notes/Cumulative-Patches/Latest-Cumulative-Patch-14_3-CP2.html