How To Fix KM149 - Number of lines to be canceled is not equal to number of existing lines

KM149 - Overview

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 149

• Message text: Number of lines to be canceled is not equal to number of existing lines

What causes this issue?

The number of lines that were sent to the current system for
cancelation is not the same as the number of existing lines.

System Response

The "cancel" flag was inserted in the lines found in the current
system.

How to fix this error?

Check the document lines.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

KM149 - Details

• The SAP error message KM149, which states "Number of lines to be canceled is not equal to number of existing lines," typically occurs in the context of canceling or reversing a document, such as a purchase order, invoice, or other transactional entries in SAP. This error indicates a mismatch between the number of lines you are trying to cancel and the number of lines that currently exist in the document.
  Causes:
  
  
  Mismatch in Line Items: The number of line items you are attempting to cancel does not match the number of line items that are currently present in the document. This could happen if:
  
  Some line items have already been canceled or deleted.
  You are trying to cancel more items than exist in the document.
  
  
  
  Incorrect Input: The user may have incorrectly specified the number of lines to be canceled, either by misunderstanding the document structure or by inputting the wrong values.
  
  
  Document Status: The document