How To Fix MDG_TR066 - The key fields in the tables are not the same (&1, &2)

MDG_TR066 - Overview

• Message type: E = Error

• Message class: MDG_TR - MDG: Transport Tool

• Message number: 066

• Message text: The key fields in the tables are not the same (&1, &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_TR066 - The key fields in the tables are not the same (&1, &2) ?

  The SAP error message MDG_TR066 indicates that there is a mismatch in the key fields between two tables that are being compared or processed in the Master Data Governance (MDG) module. This error typically arises during data replication, validation, or when trying to synchronize data between different systems or tables.
  
  Cause:
  The error occurs when the key fields (primary keys) defined in the two tables do not match in terms of structure, data type, or the number of fields. This can happen due to various reasons, such as:
  
  
  Configuration Issues: The tables may have been configured incorrectly, leading to discrepancies in the key fields.
  Data Model Changes: Changes in the data model (e.g., adding or removing fields) that have not been consistently applied across all relevant tables.
  Custom Development: Custom enhancements or developments that do not adhere to the expected key field structure.
  Data Migration Issues: Problems during data migration processes where the key fields were