The details
The issue was shared by Google Business Profile product expert Amy Toman and covered on August 24. The guidance passed on is to respond to the support ticket emails you already have, so the missing reviews stay attached to the same case. The report notes this may be separate from a reviews problem seen in July, and the link between the two is unclear.
Our read
Suspensions are already stressful, and this adds a second problem after the first is solved. The practical point is patience with process. Opening several cases or creating a fresh profile tends to slow things down and can trigger new problems. If you have never been suspended, the useful takeaway is prevention. Our answer on why Business Profiles get suspended lists the causes to avoid.