How To Fix ATPC028 - Check confirmed date and quantity for STOs not supported by advanced ATP

SAP Error Message - Details

• Message type: E = Error

• Message class: ATPC - Messages for the new ATP Controller

• Message number: 028

• Message text: Check confirmed date and quantity for STOs not supported by advanced ATP

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

You want the availability check to use the confirmed date and quantity
for stock transport orders (STO). Therefore, you have chosen option A in
the <LS>Incl. Purchase Orders</> field. For the checking group, however,
the advanced ATP check is active. The advanced ATP check does not
support this feature.

How to fix this error?

If you want to use this feature, deactivate the advanced ATP check in
the checking group (in the
<DS:SIMG.SIMG_CFMENUOLSDOVZ2>Define Checking Groups</> Customizing
activity).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ATPC028 - Check confirmed date and quantity for STOs not supported by advanced ATP ?

  The SAP error message ATPC028 indicates that there is an issue with the confirmed date and quantity for Stock Transport Orders (STOs) when using Advanced Available-to-Promise (ATP) functionality. This error typically arises when the system is unable to process the requested delivery dates or quantities for STOs due to certain limitations or configurations in the Advanced ATP setup.
  Cause:
  
  Advanced ATP Limitations: Advanced ATP may not support certain types of transactions or scenarios, such as specific configurations of Stock Transport Orders.
  Configuration Issues: There may be configuration settings in the Advanced ATP that do not align with the requirements of the STOs.
  Data Inconsistencies: There could be inconsistencies in the master data (like material master, plant data, etc.) that affect the ATP check.
  Missing Settings: The necessary settings for handling STOs in the Advanced ATP might not be properly configured.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for Advanced ATP in the SAP system. Ensure that the settings for handling Stock Transport Orders are correctly defined.
  
  Transaction code: /SAPAPO/ATPCONF can be used to check the configuration.
  
  
  
  Review Master Data: Ensure that the material master data, plant data, and other relevant master data are correctly maintained and consistent.
  
  Check the material availability settings and ensure that the relevant plants are set up for Advanced ATP.
  
  
  
  Use Standard ATP: If Advanced ATP does not support the specific scenario, consider using standard ATP for the transaction. This may involve changing the settings or the way the order is processed.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes or enhancements related to Advanced ATP.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to Advanced ATP and Stock Transport Orders for any specific guidelines or known issues.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific version and configuration of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/ATPCONF for configuration checks and /SAPAPO/ATP for availability checks.
  SAP Notes: Search for SAP Notes related to Advanced ATP and error message ATPC028 in the SAP Support Portal for any specific fixes or recommendations.
  Training and Documentation: Consider training resources or documentation on Advanced ATP to better understand its capabilities and limitations.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.