SAP Message 88900 - DME for "&1" cannot be created; maintain output control

Diagnosis The system cannot create a DME file for documenttype "&V1&", because the DME routine of the document is notmaintained correctly. System Response No file can be created. Procedure Please check if the correct DME routine is stored at the document typeV1 of re.partner v2. use the input help in orderto guarantee a correct spelling.