Diagnosis
During settlement, the system puts the sender debits into groups(assignments), which are settled using the same settlement costelement. The settlement assignment is made in the allocation structure,which is stored in the settlement rule for the sender (under settlementparameters).
Cost element &V2& cannot be assigned to a settlement cost assignment inallocation structure &V1&, and therefore it cannot be assigned to asettlement cost element.

Procedure
Possible solutions are as follows:

• If the posting under cost element &V2& was made to the sender because
of an incorrect entry, and you can reverse the posting, and do not needto update the allocation structure. You only need to reverse theincorrectly assigned posting before repeating the settlement.Exception: For an investment measure with a line item settlement, youneed to extend the allocation structure, even after the reversal.

• If the posting was made correctly, you can do the following:

You can assign a different allocation structure to the sender: In themaster data maintenance for the sender, choose "Settlement rule -> Goto-> Settlement parameters" and then enter a different allocationstructure.
If necessary, also check whether the correct allocation structure isentered in the settlement profile. The allocation structure isdefaulted in the settlement profile when you create sender master dataor when you maintain the settlement rule.
You can update allocation structure &V1&