How To Fix CRM_SALES420 - ATP exclusion indicator &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_SALES - Output for Sales Set

• Message number: 420

• Message text: ATP exclusion indicator &1 not found

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 CRM_SALES420 - ATP exclusion indicator &1 not found ?

  The SAP error message "CRM_SALES420 ATP exclusion indicator &1 not found" typically occurs in the context of Advanced ATP (Available-to-Promise) checks in SAP CRM (Customer Relationship Management) or SAP S/4HANA environments. This error indicates that the system is unable to find a specific ATP exclusion indicator that is referenced in the sales order or related document.
  Cause:
  
  Missing Configuration: The ATP exclusion indicator specified in the sales order or document does not exist in the system. This could be due to a configuration issue where the indicator has not been defined in the system.
  Data Entry Error: There may be a typo or incorrect entry in the sales order or document where the ATP exclusion indicator is specified.
  Transport Issues: If the configuration was recently transported from another system, the transport may not have included the necessary settings for the ATP exclusion indicator.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP and verify if the ATP exclusion indicator exists. You can check this in the following path:
  
  SPRO ? SAP Customizing Implementation Guide ? Sales and Distribution ? Basic Functions ? Availability Check ? Define ATP Exclusion Indicators.
  
  
  If the indicator does not exist, you may need to create it.
  
  
  
  Correct Data Entry:
  
  Review the sales order or document where the error occurred. Ensure that the ATP exclusion indicator is correctly entered and matches an existing indicator in the system.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary configurations were included. If not, you may need to re-transport the missing configurations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to ATP exclusion indicators for any specific guidelines or updates that may be relevant to your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide additional insights or patches if this is a known issue.
  
  
  
  Related Information:
  
  ATP Exclusion Indicators: These are used to define specific conditions under which certain items are excluded from ATP checks. Understanding how these indicators work can help in troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes like OVZ9 (for defining ATP exclusion indicators) and VA01 (for creating sales orders) to navigate the system effectively.
  
  By following these steps, you should be able to resolve the error message and ensure that your ATP checks function correctly.