When you try to delete the connection you receive a message:
The following pipe(s) will be deleted:
Container1 -> Container2: 2 resolved connections(s)
After you confirm to delete you receive the error:
You do not have permission to delete the following connections:
null -> null
- For the two containers in question, select one of them and select all the models within it.
- Cut, then paste back into the same container. This will force a recalculation and the bad links should be removed.