How To Fix 37789 - Nested step loops are not allowed (step loop not created)

37789 - Overview

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 789

• Message text: Nested step loops are not allowed (step loop not created)

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.

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37789 - Details

• The SAP error message 37789, "Nested step loops are not allowed (step loop not created)," typically occurs when there is an attempt to create a nested step loop in an ABAP program. Step loops are used in SAP to display data in a structured format, allowing users to navigate through multiple levels of data. However, SAP does not allow step loops to be nested within one another.
  
  Cause:
  The error is caused by the following scenarios:
  
  Nested Step Loops: You are trying to create a step loop inside another step loop. This is not permitted in SAP.
  Incorrect Program Logic: The program logic may inadvertently lead to the creation of a nested step loop.
  Improper Use of Loop Statements: Using loop statements incorrectly in the ABAP code can lead to this error.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Code: Check the ABAP code where the step loops are defined. Ensure that