How To Fix 37055 - Unable to insert line in loop

37055 - Overview

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 055

• Message text: Unable to insert line in loop

What causes this issue?

You cannot insert a line within a loop because this would change the
structure of the loop block.

How to fix this error?

To insert a line, dissolve the loop first, insert the line, and then
regenerate the loop.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 37055 - Unable to insert line in loop ?

  The SAP error message "37055 Unable to insert line in loop" typically occurs in the context of SAP's ABAP programming environment, particularly when dealing with internal tables or loops. This error indicates that there is an issue with inserting a line into an internal table while iterating through it, often due to constraints or conditions that are not being met.
  Causes:
  
  Table Locking: The internal table may be locked by another process, preventing the insertion of new lines.
  Invalid Index: The index being used to insert the line may be out of bounds or invalid.
  Looping Issues: If you are trying to modify the same internal table that you are currently looping through, it can lead to inconsistencies.
  Data Type Mismatch: The data being inserted may not match the structure of the internal table.
  Memory Issues: Insufficient memory or exceeding the limits of the internal table can also cause this error.
  
  Solutions:
  
  Check for Locks: Ensure that the