Hi @Sabrina B ,
Did you cannot login Visio for Web with the account contain Visio Plan 1 Subscription?
Based on the error message, I suggest you contact the Administrator and check if the Vision web service is turned off:
Just checking in to see if the information was helpful. Please let us know if you would like further assistance.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.