How To Fix /SAPAPO/ATP480 - Invalid rounding result &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 480

• Message text: Invalid rounding result &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP480 - Invalid rounding result &1 ?

  The SAP error message /SAPAPO/ATP480 Invalid rounding result &1 typically occurs in the Advanced Planning and Optimization (APO) module, particularly in the context of Available-to-Promise (ATP) checks. This error indicates that there is an issue with the rounding of quantities during the ATP check process.
  Cause:
  
  Rounding Issues: The error is often caused by a mismatch in the expected quantity and the actual quantity due to rounding rules. This can happen if the system is trying to round a quantity that does not conform to the defined decimal places or unit of measure.
  Configuration Settings: Incorrect configuration in the material master or in the ATP settings can lead to this error. For example, if the rounding profile is not set correctly, it can cause discrepancies.
  Data Inconsistencies: Inconsistencies in the master data, such as unit of measure conversions or incorrect settings in the material master, can also lead to this error.
  
  Solution:
  
  Check Rounding Profiles: Review the rounding profiles assigned to the materials involved. Ensure that they are set up correctly and that they match the expected decimal places for the quantities being processed.
  Review Material Master Data: Check the material master data for the affected materials. Ensure that the units of measure and conversion factors are correctly defined.
  Adjust ATP Settings: If necessary, adjust the ATP settings in the system. This may involve changing the configuration in the APO system or the settings in the SAP ERP system.
  Test with Different Quantities: If possible, test the ATP check with different quantities to see if the error persists. This can help identify if the issue is related to specific quantities or rounding rules.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to rounding in ATP checks.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/ATC (for ATP checks) or /SAPAPO/MDP (for master data) to investigate further.
  Documentation: Refer to SAP documentation on ATP and rounding rules for more detailed information on how these processes work and how to configure them properly.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/ATP480 Invalid rounding result &1 error.