How To Fix UXX001 - Internal error: Call parameter is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: UXX - Messages Package UXX

• Message number: 001

• Message text: Internal error: Call parameter is missing

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UXX001 - Internal error: Call parameter is missing ?

  The SAP error message "UXX001 Internal error: Call parameter is missing" typically indicates that there is a problem with the parameters being passed to a function module or method in the SAP system. This error can occur in various contexts, such as during the execution of a report, transaction, or custom program.
  Causes:
  
  Missing Parameters: The most common cause is that a required parameter is not being passed to a function module or method. This could be due to a programming error or a misconfiguration.
  Incorrect Function Call: The function module or method may be called incorrectly, leading to missing or incorrect parameters.
  Data Issues: If the data being processed is incomplete or corrupted, it may lead to missing parameters.
  Custom Code Issues: If there are custom developments (ABAP programs, enhancements, etc.), they may not be handling parameters correctly.
  Transport Issues: If the code was transported from one system to another, there may be inconsistencies in the environment that lead to this error.
  
  Solutions:
  
  Check Function Module/Method Signature: Review the documentation for the function module or method being called to ensure that all required parameters are being passed correctly.
  Debugging: Use the ABAP debugger to step through the code and identify where the parameters are being set and passed. Look for any missing or null values.
  Review Custom Code: If the error occurs in custom code, review the logic to ensure that all necessary parameters are being populated before the function call.
  Check Data Integrity: Ensure that the data being processed is complete and valid. Look for any missing entries in the database that may be causing the issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  System Logs: Review system logs (transaction SLG1) for additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the functionality you are working with.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the "UXX001 Internal error: Call parameter is missing" error and implement a solution.