How To Fix OB204 - Missing mandatory parameters for reading reference document

SAP Error Message - Details

• Message type: E = Error

• Message class: OB - IS-OIL Downstream TDP messages

• Message number: 204

• Message text: Missing mandatory parameters for reading reference document

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 OB204 - Missing mandatory parameters for reading reference document ?

  The SAP error message OB204, "Missing mandatory parameters for reading reference document," typically occurs in the context of financial transactions, particularly when dealing with document references in the SAP system. This error indicates that certain required parameters or fields are not filled in or are missing when trying to read or process a reference document.
  Causes:
  
  Incomplete Data Entry: The user may not have filled in all the mandatory fields required for the transaction.
  Configuration Issues: There may be issues with the configuration of the document types or the settings in the financial module.
  Missing Reference Document: The reference document that is being referred to may not exist or may not be accessible due to authorization issues.
  Custom Development: If there are custom programs or enhancements, they may not be handling the required parameters correctly.
  
  Solutions:
  
  Check Mandatory Fields: Review the transaction screen to ensure that all mandatory fields are filled in correctly. Look for any fields marked with an asterisk (*) or highlighted in red.
  Verify Document Reference: Ensure that the reference document you are trying to access exists and is correctly entered. Check if the document number is valid and if it has been posted.
  Review Configuration: If you have access, check the configuration settings for the relevant document types in the Financial Accounting (FI) module. Ensure that all necessary parameters are set up correctly.
  Authorization Check: Ensure that the user has the necessary authorizations to access the reference document.
  Consult Documentation: Refer to SAP documentation or help files for specific details about the transaction you are working with.
  Debugging: If you have access to technical resources, consider debugging the program to identify where the parameters are missing.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to financial postings, such as FB01 (Post Document), FB50 (G/L Account Document), etc.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  User Forums: SAP Community and other user forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify and resolve the issue causing the OB204 error in SAP.