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

ATPC028 - Overview

• 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.

ATPC028 - Details

• 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