Invest.support & posted to sub-no.& and reversed (Please check)

What causes this issue?

Investment support measures are maintained at main asset number level.
You want to delete investment support key &V1&. Investment support has
already been claimed in asset sub-number &V2&, however this was then
reversed. The investment support measure can be deleted, but the
depreciation area will physically remain.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Confirm that you want to delete investment support measure &V1& by
pressing ENTER.

Error message extract from SAP system. Copyright SAP SE.