SAP Message AH287 - Document type &1 is not in table TE093

Diagnosis
Document type &1 is not in table TE093.

System Response
An error has occurred determining the number range in part 3 of themodule ISU_BILLING_PREPARE_UPDATE because the entry &v1& is notmaintained in table TE093.

Procedure
Include entry &v1& in table TE093.