Configure Agentforce for Service: "We can't find that the Experience Management topic has been added to the CC Service Agent."

Hi. I'm having a problem with the final verification stage of the Configure Agentforce for Service module. The verification states "We can't find that the Experience Management topic has been added to the CC Service Agent." 

I have spent several hours trying to find a solution to this issue, to no avail. 

I've redone the module twice (using a new Playground environment the second time), following the steps in the instructions carefully and precisely, and have the same issue with the verification stage. 

I'd really appreciate any advice or resolution. 

Thank you. 

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