How To Fix CKMLDUVN018 - Difference quantity and quantity have different +/- signs

CKMLDUVN018 - Overview

• Message type: E = Error

• Message class: CKMLDUVN - Inventory differences distribution messages

• Message number: 018

• Message text: Difference quantity and quantity have different +/- signs

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.

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CKMLDUVN018 - Details

• The SAP error message CKMLDUVN018, which states "Difference quantity and quantity have different +/- signs," typically occurs in the context of Material Ledger (ML) and inventory valuation. This error indicates that there is a discrepancy in the sign of the quantities involved in a transaction, which can lead to inconsistencies in inventory valuation and accounting.
  
  Cause:
  
  Data Entry Errors: The most common cause is incorrect data entry where the quantities are entered with opposite signs (e.g., a positive quantity for a receipt and a negative quantity for a withdrawal).
  
  Configuration Issues: Incorrect configuration in the Material Ledger settings or valuation methods can lead to this error.
  Posting Errors: Errors during the posting of goods movements, such as goods receipts or goods issues, can also trigger this message.
  Revaluation or Adjustments: If there are adjustments or revaluations being processed that involve quantities with different signs, this error may arise.
  
  
  Solution:
  
  Review Transactions: Check the relevant transactions that led