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SAP Knowledge Base Article - PreviewSymptom
After a release (load based) upgrade, you notice that your custom (Z*) message classes are not visible anymore in SE91.
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Environment
Software Update manager
Product
SAP ERP 6.0
Keywords
message class, message classes, upgrade, loss, SE91, T100A, MSAG, 6.26, lost, messages, custom, post-upgrade, post upgrade , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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