How To Fix ATP_SE020 - BusinesTransactionDocumentTypeCode &1 not supported (&2, &3)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 020

• Message text: BusinesTransactionDocumentTypeCode &1 not supported (&2, &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_SE020 - BusinesTransactionDocumentTypeCode &1 not supported (&2, &3) ?

  The SAP error message ATP_SE020 indicates that the Business Transaction Document Type Code specified in the system is not supported. This error typically arises in the context of Advanced ATP (Available-to-Promise) checks, where the system is trying to process a transaction that it does not recognize or support.
  Cause:
  
  Unsupported Document Type: The document type code provided in the error message (&1) is not configured in the system for the Advanced ATP process.
  Configuration Issues: There may be missing or incorrect configuration settings in the SAP system related to the Advanced ATP functionality.
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling certain document types correctly.
  Data Entry Errors: The document type may have been entered incorrectly in the transaction.
  
  Solution:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings for Advanced ATP in your SAP system.
  Verify that the document type code (&1) is defined and supported for the ATP process.
  If it is not defined, you may need to add it or adjust the configuration to include it.
  
  
  
  Review Custom Code:
  
  If there are custom developments, review the code to ensure that it correctly handles the document type in question.
  Make necessary adjustments to accommodate the unsupported document type.
  
  
  
  Consult SAP Documentation:
  
  Refer to SAP documentation or notes related to Advanced ATP to understand the supported document types and any specific configurations required.
  
  
  
  Data Validation:
  
  Check the transaction data to ensure that the document type is entered correctly and matches the expected format.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant transaction data.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like /SAPAPO/ATC for Advanced ATP configuration.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional guidance on configuring Advanced ATP.
  Documentation: Review the SAP Help Portal for detailed information on Advanced ATP and supported document types.
  
  By following these steps, you should be able to identify the cause of the ATP_SE020 error and implement a solution to resolve it.