When trying to add or delete a user in the Oasis Management Portal (OMP), you are getting a Your Subscription has the maximum amount of storage available error as shown below:
The error Your Subscription has the maximum amount of storage available is displayed when the OMP database for your Volt Delta UK instance is full, please open a Volt Delta UK Support ticket to increase the amount of storage allocated to your database.
For Support Agents Only:
To resolve the error that the customer is experiencing, please open a SaaS Incident report as described in the Volt Delta UK Routing Table article to increase the disk space available to the customer's Volt Delta UK OMP database. The Volt Delta UK Access Guide also provides information on the databases that belong to a customer's OMP instance.