SAP Message AY308 - &1 assignments could not be deleted

Diagnosis
When deleting origin assignments to investment profiles and originstructures, the system determined that this deletion would cause aninconsistent dataset. This problem can have various causes.
In general, the origin assignments are already being used, along withthe investment profiles and the origin structures, for assets underconstruction for capital investment measures. Therefore they cannotbe deleted.

System Response
The deletion is not carried out.