How To Fix 37673 - A variable step loop has already been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 673

• Message text: A variable step loop has already been defined

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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 37673 - A variable step loop has already been defined ?

  The SAP error message "37673: A variable step loop has already been defined" typically occurs in the context of SAP ABAP programming, particularly when dealing with loops in the context of variable step loops in a report or program. This error indicates that there is an attempt to define a variable step loop when one has already been defined in the same context.
  Cause:
  The error is caused by the following scenarios:
  
  Multiple Definitions: You may have defined a variable step loop more than once in the same program or report.
  Incorrect Loop Structure: The structure of your loop may not be correctly defined, leading to confusion in the program about the loop's context.
  Nested Loops: If you are trying to define a variable step loop inside another variable step loop without proper closure of the first loop, it can lead to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Loop Definitions: Review your code to ensure that you are not defining multiple variable step loops in the same context. If you need to use a loop, ensure that it is properly closed before defining another one.
  
  
  Properly Nest Loops: If you need to use nested loops, ensure that the outer loop is properly closed before starting the inner loop. Use appropriate ENDLOOP statements to close each loop.
  
  
  Refactor Code: If the logic allows, consider refactoring your code to avoid the need for multiple variable step loops. You might be able to achieve the desired functionality with a single loop or by using different control structures.
  
  
  Debugging: Use debugging tools in the ABAP Workbench to step through your code and identify where the loop definitions are being made. This can help you pinpoint the exact location of the error.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional insights on variable step loops and best practices in ABAP programming.
  
  
  Related Information:
  
  ABAP Documentation: Review the official SAP ABAP documentation for detailed information on loop constructs and best practices.
  SAP Community: Engage with the SAP Community forums where other developers may have encountered similar issues and can provide insights or solutions.
  Code Review: If you are working in a team, consider having a peer review your code to catch any potential issues with loop definitions.
  
  By following these steps, you should be able to resolve the error and ensure that your ABAP program runs smoothly.