Solution : https://service.sap.com/sap/support/notes/870357 (SAP Service marketplace login required)
Key words :
ordchgme21n me22n edi_processing ordchg p6bk183573change documentsupgrade, incorrected purchase order change idocs, purchase order change idoc, correct ordchg idoc trigger, selection option 'create date', installing support pack sapkh47025, affected purchase orders, install sapkh47025 immediately, support package reason, source code corrections
Related Notes :
782140 | OCS: Known problems with Support Packages in Basis Rel. 6.20 |