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

UXX001 - Overview

• 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.

What else can you do?

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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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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