Diagnosis
You have chosen the function "Expand" for a business event group.

System Response
To reduce the runtime of the program, and also prevent the program fromterminating (for large plan versions), the 'Expand' function wasrestricted to the business event type level.

Procedure
If you want to expand a particular branch, position the cursor on abusiness event type and perform the function again.
If you really do want to expand everything, perform the function"Expand" a second time. However, please remember that importing a largeamount of data can lead to long response times.