Hi All - this issue should now be mitigated, can you please verify?
We are also tracking it on this thread : https://powerusers.microsoft.com/t5/General-Discussion/An-Error-Occurred-on-the-Server/m-p/265418#M7... and on the support page : https://powerapps.microsoft.com/en-us/support/
Hi ras/Matt_Hong/itsmeqp/kbieber/pulsebeat and all others
Sorry to say that it occurred due to a known issue and addressed shortly. However, impacts presented on your sessions, especially at Central US.
We really appreciate your concerns and post here. Thanks a lot.