data transfer exceeded, even after upgraded

hello, started receiving

Your project has exceeded the data transfer quota. Upgrade your plan to increase limits.

Your project has exceeded the data transfer quota. Upgrade your plan to increase limits.

Your project has exceeded the data transfer quota. Upgrade your plan to increase limits.

Your project has exceeded the data transfer quota. Upgrade your plan to increase limits.

i upgraded to Scale plan but i'm still receiving the error. can you help? it's urgent as the database and our apps are down.