Diagnosis
You want to perform the function Always effective for theleading change master record.

System Response
The system checks whether the allocated packages have been technicallyreleased (Technical release indicator).

Procedure
Using the product structure, check which packeages have not yet beenreleased.
If necessary, make some more object changes with reference to thechange packages that have not been released.
Release the packages technically.
You cannot perform the function until the packages have beentechnically released.