How To Fix UGMD8123 - Conversion damages unique indexes


UGMD8123 - Overview

  • Message type: E = Error

  • Message class: UGMD8 - Change Management

  • Message number: 123

  • Message text: Conversion damages unique indexes

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message UGMD8123 - Conversion damages unique indexes ?
    The SAP error message UGMD8123, which states "Conversion damages unique indexes," typically occurs during data conversion or migration processes, particularly when working with database tables that have unique indexes. This error indicates that the data being processed may violate the constraints of unique indexes, leading to potential data integrity issues.
    
    Cause: Duplicate Data: The most common cause of this error is the presence of duplicate records in the data being converted or migrated. If the data being inserted or updated contains values that would violate the uniqueness of an index, this error will be triggered. Data Transformation Issues: During data transformation, if the logic applied to the data results in duplicates, this can also lead to the error. Incorrect Mapping: If the mapping of fields from the source to the target does not maintain uniqueness, it can cause this error. Concurrency Issues: If multiple processes are trying to insert or update records simultaneously, it may

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