Solution : https://service.sap.com/sap/support/notes/870357 (SAP Service marketplace login required)
Key words :
ANSIX12: 860EDIFACT: ORDCHGME21N ME22N EDI_Processing ORDCHG P6BK183573Change documentsUpgrade, Support Package
Related Notes :
782140 | OCS: Known problems with Support Packages in Basis Rel. 6.20 |