How To Fix ATP_SE022 - Reference parameter (reference item) missing: reference document &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 022

• Message text: Reference parameter (reference item) missing: reference document &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.

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_SE022 - Reference parameter (reference item) missing: reference document &1 ?

  The SAP error message ATP_SE022, which states "Reference parameter (reference item) missing: reference document &1," typically occurs in the context of Advanced Planning and Optimization (APO) or when dealing with Available-to-Promise (ATP) checks. This error indicates that a reference document, which is expected to be present for processing, is missing or not properly defined.
  Cause:
  
  Missing Reference Document: The system is trying to process a transaction that requires a reference document (like a sales order, purchase order, etc.), but it cannot find it.
  Incorrect Configuration: The configuration settings for the ATP check or the related planning area may not be set up correctly.
  Data Inconsistency: There may be inconsistencies in the master data or transaction data that lead to the absence of the required reference item.
  User Input Error: The user may have entered data incorrectly, leading to the absence of the reference parameter.
  
  Solution:
  
  Check Reference Document: Verify that the reference document mentioned in the error message (&1) exists in the system. If it does not exist, you may need to create it or correct the reference.
  Review Configuration: Check the configuration settings for ATP checks and ensure that all necessary parameters are correctly defined. This includes checking the planning area and the relevant settings in the APO system.
  Data Consistency Check: Run consistency checks on the master data and transaction data to identify any discrepancies that may be causing the issue.
  User Input Validation: Ensure that the user inputs are correct and that all required fields are filled out properly when creating or processing the document.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the ATP process and the requirements for reference documents.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/ATP_CHECK or /SAPAPO/SDP94 for checking ATP settings and configurations.
  Debugging: If you have access to development tools, consider debugging the process to identify where the reference parameter is being lost or not set.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the ATP_SE022 error and implement a solution to resolve it.