In area &, only reserves up to the amount & can be taken over

INCLUDE 'AA_AFA_ERROR' OBJECT DOKU ID TX LANGUAGE E

What causes this issue?

Posting is not possible because you can only post transfers of reserves
for the amount of &V2& in area &V1&.

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?

Check the transaction type which you entered, or change the posting
amount accordingly.

Error message extract from SAP system. Copyright SAP SE.