[TooManyRequestsForCapacity] issue with multiple notebook users on an F128 Fabric instance

Hi spencer_sa 

Thanks for using Microsoft Fabric community.

Apologies for the issue you have been facing. 

It's difficult to tell what could be the reason for this performance. 

Please reach out to our support team so they can do a more thorough investigation on why this it is happening. Our support engineers will definitely would understand the route cause and properly address it.

Please go ahead and raise a support ticket to reach our support team:

https://support.fabric.microsoft.com/support

After creating a Support ticket please provide the ticket number as it would help us to track for more information.

Thank you.