Message type: E = Error
Message class: DT - Table activation (incl. indexes)
Message number: 127
Message text: Target table & already contains entries
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DT127
- Target table & already contains entries ?The SAP error message DT127, which states "Target table & already contains entries," typically occurs during data transfer processes, such as when using the Data Transfer Workbench (DTW) or during data migration activities. This error indicates that the target table you are trying to populate already has existing entries, which conflicts with the operation you are attempting to perform. Causes: Existing Data: The target table already contains records that conflict with the new data you are trying to insert. Primary Key Violations: If the target table has a primary key or unique constraints, attempting to insert duplicate entries will trigger this error. Incorrect Data Load Logic: The logic used to load data may not account for existing records, leading to attempts to insert duplicates. Data Migration Issues: During data migration, if the process does not check for existing records before inserting, this error can occur. Solutions: Check Existing Data: Before performing the data transfer, check the target
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