You attempted to add a number to a Proxy Number Pool that has reached its maximum allowed size. A Proxy Service pool can have up to 500 unreserved numbers and 5000 reserved numbers.
You attempted to add a number to a Proxy Number Pool that has reached its maximum allowed size. A Proxy Service pool can have up to 500 unreserved numbers and 5000 reserved numbers.
Remove unused numbers, or create a new Proxy Service with additional numbers.