Solution : https://service.sap.com/sap/support/notes/865142 (SAP Service marketplace login required)
Summary :
When using Transaction WE57 for maintaining EDIFCT table entries in SAP systems, there's a risk of losing these entries during an upgrade, since the table is delivered with a delivery class 'E' and changes in customer namespace won't affect the upgrade process. It is crucial before upgrading to export customer-specific entries and import them post upgrade. Ensure to include these EDIFCT entries in a transport request using Transaction WE57 for secure data management across upgrades.
Key words :
delivery class 'e', customer entry reason, reserved customer namespace, customer-specific entries, customer system, maintained entries, edifct-entries, edifct table, transaction we57, terms we57
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