How To Fix UR426 - The transaction data delta is being reversed and must be replicated again

UR426 - Overview

• Message type: E = Error

• Message class: UR -

• Message number: 426

• Message text: The transaction data delta is being reversed and must be replicated again

Self-Explanatory Message

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UR426 - Details

• The SAP error message UR426 indicates that there is an issue with the delta replication of transaction data in the SAP system. This typically occurs in scenarios involving data replication, such as when using SAP Data Services, SAP Landscape Transformation (SLT), or other data replication tools. The error suggests that the delta data that was previously sent has been reversed, and therefore, it needs to be replicated again to ensure data consistency.
  
  Cause:
  
  Data Inconsistency: The delta records may have been altered or deleted in the source system after they were initially replicated, leading to inconsistencies.
  Replication Errors: There may have been errors during the initial replication process that caused the delta records to be incomplete or incorrect.
  
  Configuration Issues: Incorrect configuration settings in the replication setup can lead to issues with delta handling.
  Data Model Changes: Changes in the data model or structure in the source system can affect how delta data is processed