Solution : https://service.sap.com/sap/support/notes/1059495 (SAP Service marketplace login required)
Summary :
This SAP Note addresses a documented error related to "Reverse Billing" for DBM orders specifically for internal service orders with types 4000 and 4001, where the DBM posting type is '02'. The identified issue, which arises under specific conditions and is not immediately correctable, temporarily restricts these operations to prevent further errors. Customers are advised that a correction will be included in Support Package 02 for DBM6.0. Alternately, for immediate rectification, another specific SAP Note can be implemented to resolve the issue. Relevant terms include DBM order Reverse Billing and various related actions and document types.
Key words :
/dbm/c_ordertp-doc_type reason, dbm order reverse billing, 4001/ dbm posting type = '02', internal service orders, reverse billing, order type 4000, solved anytime, actions billing_all_canc, program error, delivered automatically