can't add "return" in global fault handler

Summary:

I'm using OIC gen3. In an OIC integration, I tried to add a "Return", but it gets stuck on the status of loading the "Return" node.

I also tried in another integration, the issue was the same.

Questions:

1. is it allowed to add "Return" in global fault handler?
2. if yes, is there any pre-requisition or I should raise an SR?

Thanks in advance.

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