How To Fix /SAPAPO/ATP126 - Error when writing the internal/external delta records

/SAPAPO/ATP126 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 126

• Message text: Error when writing the internal/external delta records

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP126 - Error when writing the internal/external delta records ?

  The SAP error message /SAPAPO/ATP126 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with writing internal or external delta records. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the master data or transaction data.
  
  Configuration Issues: Incorrect settings in the APO system or in the integration with the ERP system can lead to this error.
  Database Issues: Problems with the database, such as locks, corruption, or insufficient space, can prevent the system from writing delta records.
  Authorization Issues: Lack of proper authorizations for the user or process trying to write the delta records can also trigger this error.
  System Performance: High load on the system or performance issues can lead to timeouts or failures in writing records.
  
  Solutions:
  
  
  Check Data