Solution : https://service.sap.com/sap/support/notes/531034 (SAP Service marketplace login required)
Key words :
generate short dump dynpro_field_conversion, transaction 'cancel invoice document', posted reversal document, reversal documents include, purchase order history, prerequisites ther problem, field rbkp-stblg, fields rbkp-stblg, document number, transaction mir4
Related Notes :
543098 | MR8M: Several reversal documents for one invoice |