SAP Message AC698 - Asset class &1 cannot be deleted, see long text for reason

Diagnosis Asset class &V1& is still being used in an investment project.Therefore it cannot be deleted. It is used in at least one investmentproject, &V2&. System Response Asset class &V1& is not deleted. Procedure When you delete an asset class, it is not allowed to be used in anyinvestment projects. Therefore, change or delete any projects in whichasset class &V1& is used.