Message SAP /BEV2/EDMESS1786 - Special customer status of customer &1 is deleted (change docsuments?)

Diagnosis
You are deleting the special customer status of the customer &v1&.There may be documents for this customer indicating the specialcustomer status. Therefore an Excise Duty tax document may be enteredin a special stock ledger group, division or subdivision. If required,please process these documents again to guarantee consistency.