Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Sorry to hear that you are having trouble changing and renewing your Microsoft 365 subscription. To better understand the situation, could you please sign in at account.microsoft.com/services and confirm which Microsoft 365 subscription is currently shown, its current status, and which plan you are trying to change to? Also, please let us know whether the error appears immediately after selecting the new plan or only after you enter or confirm the payment method. If possible, share a screenshot of the complete error message while hiding any personal or payment information.