SAP Message W0131 - Maintain coupon share and condition type, as account key entered

Diagnosis You maintained an account key for cost object 1, 2 or 3, but did notmaintain either the coupon share or the condition type field. You can only maintain the account key field if you also maintained thecoupon share and the condition type fields. Procedure Please maintain the coupon share and the condition type fields or leavethe account key empty.