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SAP Knowledge Base Article - PreviewSymptom
During the SUM upgrade/conversion, the SUM tool requests a customer transport buffer file even this is the first upgrade in landscape and there is no SPDD/SPAU request to be inlcuded.
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Environment
Upgrade tools for ABAP
Product
SAP ERP all versions
Keywords
SUM upgrade, downtime-optimized conversion, customer transport buffer, SUMASK_CUSTOMER_BUFFER, ECC EHP8, S/4HANA 2023 FPS3, transport buffer file, SPDD, SPAU, SUM error, upgrade tools for ABAP , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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