How To Fix ATP_SE100 - Input order number &1 different from order number referenced by PAR &3

SAP Error Message - Details

• Message type: E = Error

• Message class: ATP_SE - Message class for ATP-Services

• Message number: 100

• Message text: Input order number &1 different from order number referenced by PAR &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ATP_SE100 - Input order number &1 different from order number referenced by PAR &3 ?

  The SAP error message ATP_SE100 indicates a discrepancy between the input order number and the order number referenced by a particular parameter (PAR). This error typically arises in the context of Advanced Planning and Optimization (APO) or during the ATP (Available to Promise) check when there is a mismatch in order references.
  Cause:
  
  Mismatched Order Numbers: The input order number provided in the transaction does not match the order number that is expected or referenced in the system.
  Data Integrity Issues: There may be issues with data integrity, such as incorrect or incomplete data entries in the system.
  Configuration Issues: There could be configuration settings in the system that are not aligned with the expected order processing logic.
  User Input Error: The user may have mistakenly entered the wrong order number.
  
  Solution:
  
  Verify Input Order Number: Check the order number you are entering to ensure it is correct and corresponds to the expected order in the system.
  Check Order References: Investigate the order referenced by the parameter (PAR) to understand why there is a mismatch. This may involve checking the order details in the system.
  Data Consistency Check: Run a data consistency check to ensure that all related data entries are correct and consistent across the system.
  Review Configuration Settings: If the issue persists, review the configuration settings related to order processing and ATP checks to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or notes related to ATP and order processing for any specific guidance or known issues.
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, providing them with the error message details and any relevant context.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/ATP for ATP checks or CO03 for displaying production orders.
  SAP Notes: Check SAP Notes for any updates or patches that may address this specific error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved by other users.
  
  By following these steps, you should be able to identify the root cause of the ATP_SE100 error and implement a suitable solution.