Solution : https://service.sap.com/sap/support/notes/417104 (SAP Service marketplace login required)
Key words :
error message /sapapo/mpit 001 'internal document number <posguid>, additional key words transaction, /sapapo/bop_resultbackorder processing, backorder processing terminates, error occurs, solution repairs, source code, prerequisites, installation, note 408885
Related Notes :
408885 | Backorder processing: TP/VS scheduling ignored |
408776 | Backorder processing: Results display terminates |