Diagnosis
You entered an asset value date that is before the last partialretirement of the asset on &V1&. Changes with a date before theretirement are not allowed.

Procedure
If you intend that the value date should be before the last retirement,you first have to reverse the retirement. After you reverse it, it ispossible to change the value date. When you then subsequently repostthe retirement, the changed document is included in the calculation ofthe retirement values, since it is before the value date of theretirement.