The problem could be that the update task is running very slowly, or stopped
Remember that SAP updates don’t really happen immediately,
they are queued for update, although with everything working well this should be
If there is a problem, the update task can stop and so queue
ALL updates behind it until someone resolves the problem.
Speak to your
Basis people and ask them to the update task. (you can have a quick look by
using SM13 and selecting “to be updated” this should be empty or nearly empty).