500 SAP internal server error- Not able to book training course for reportees

Issue with About My Team (MSS).

User raised a following complaint:

Trying to book a training course for my maintainers.

When trying to book a training course on behalf of my maintainers in the 'About my team' tab in prospect I receive an error message '500 SAP internal serve error'.

Steps to replicate error: About My Team> Click menu button beside team member> About Me(on behalf of)> Book training course.

Please guide me in resolving the issue. The issue is user specific.