Getting error Exception during RestAction on multiple pages in Helpdesk

Summary:

Hello,

We are getting this error "Exception during RestAction" on multiple pages in Helpdesk. One of the navigation i can provide is Help Desk—>My Help. Screenshot attached. It is the Redwood Page.

If we assign seeded roles Employee and Next Gen Human Resource Help Desk User, this page works fine.

Custom role is just copy of seeded role. I don't understand what is stopping this to work?

Can anyone please advice?

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24A

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