This means your registered AOI user accounts have exceeded the number of users you are licenced for. If all registered users need AOI access, purchase extra licences from your Access account manager. To check your current AOI users, follow the steps below.
Open the AOI Registration tool, which is installed for every user with AOI access.
Click Manage Access Office Integration users, then click Next.
Click Finish to exit.
If there are users who no longer need AOI, deactivate them:
Click the user's line, then click Deactivate selected user(s).
Click Finish to exit.
If the issue persists, contact support. See Get support in Dimensions.