Hi @Kasun-Gamage , 

Please check whether rmpanel component is active and running as a container in this environment. 

If this works for some users then probably some configurations in outlook can cause issues like this. 

you can try below mentioned in solution 1 of this https://support.hoxhunt.com/hc/en-us/articles/360019913300-ADD-IN-ERROR based on https://learn.microsoft.com/en-us/office/troubleshoot/office-suite-issues/apps-for-office-not-start

SOLUTION #1

1. Open Internet Options (press Windows key + R, type inetcpl.cpl and press Enter key).
2. Select Security tab.
3. Select Internet from the available zones.
4. Tick Enable Protected Mode and click OK.
5. Relaunch Outlook and try again.

Best regards,

Masheesh

Hi @Kasun-Gamage 

What version of the IFS Cloud application are you currently using? Have you reviewed the solution mentioned above, and did it work for you?

Regards,

Nikila Dissanayake