How To Fix 37801 - Step loop size too small

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 801

• Message text: Step loop size too small

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 37801 - Step loop size too small ?

  The SAP error message "37801: Step loop size too small" typically occurs in the context of SAP ABAP programming, particularly when dealing with screen programming and the use of step loops in dialog programming. This error indicates that the size of the step loop defined in the screen is not sufficient to accommodate the data being processed.
  Cause:
  
  Insufficient Size: The step loop defined in the screen has a size that is too small to hold the number of entries or the data being processed.
  Data Overflow: The data being passed to the step loop exceeds the defined size, leading to an overflow situation.
  Incorrect Screen Definition: The screen layout may not have been defined correctly, leading to a mismatch between the expected and actual data sizes.
  
  Solution:
  
  
  Increase Step Loop Size:
  
  Go to the screen painter (SE80 or SE41) and locate the step loop in question.
  Increase the size of the step loop to accommodate the expected data. This can be done by adjusting the LINES attribute of the step loop.
  
  
  
  Check Data Population:
  
  Ensure that the internal table or data structure being used to populate the step loop is correctly defined and does not exceed the limits of the step loop.
  Review the logic that populates the step loop to ensure it is not trying to load more data than the step loop can handle.
  
  
  
  Review Screen Attributes:
  
  Check the attributes of the screen and the step loop to ensure they are correctly set up. This includes checking the MAXIMUM and MINIMUM attributes of the step loop.
  
  
  
  Debugging:
  
  Use the debugger to trace the execution and see where the data is being populated into the step loop. This can help identify if there are any unexpected values or sizes being passed.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on step loops and screen programming to ensure best practices are being followed.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE41 (Menu Painter), SE38 (ABAP Editor).
  ABAP Programming: Understanding of ABAP programming concepts, especially related to screen programming and dialog programming.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  
  By following these steps, you should be able to resolve the "Step loop size too small" error in SAP. If the issue persists, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.