Workflow Stucks at Background Step with status Completed

[Bhupinder]

Dear Experts,

Scenario -
Step2- Email Step which a background activity.
Step-3 Foreground Step which will pick the agent from HR.

After Execution of Step-2 i.e. background activity, workflow stucks there
only. Status is completed for this step 2. I have checked ST22, there is
some error came.

I dont know how to fix it, i need to restart this workflow from Step2
onwards. I am in production, so dont have authorization to run any RFC.

Can you please help me in this?

Thanks in Advance.

Best Regards,
Bhupinder
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