We have found that some clients are currently facing issues with its automation sessions usage. We currently have our incident team fully focused on finding the root-cause and reverting the situation. Our sincerest apologies and we will be doing our best to resolve this at its soonest.
Update: We have already found the cause of this issue and rolled out a fix. We will be observing for any remaining WATI accounts undergoing this issue. Please, contact our support team for prompt solution in case you are still affected.