Solution : https://service.sap.com/sap/support/notes/994909 (SAP Service marketplace login required)
Key words :
case-bv-case basis, r3load wrote incorrect xml, symptom transaction sumg rejects, solution newer versions, r3load repair log, abap program 'umg_sumg_verify_r3load_xml', transaction sumg, r3load aborted, r3load crashed, terms sumg
Related Notes :
1319517 | Unicode Collection Note |
1132837 | R3load failure in Unicode Conversion with .xml files |