How To Fix CKMLDUVN016 - Total quantity and difference quantity have different +/- signs

SAP Error Message - Details

• Message type: E = Error

• Message class: CKMLDUVN - Inventory differences distribution messages

• Message number: 016

• Message text: Total quantity and difference 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CKMLDUVN016 - Total quantity and difference quantity have different +/- signs ?

  The SAP error message CKMLDUVN016 indicates that there is a discrepancy in the total quantity and the difference quantity in a material's valuation or inventory management. Specifically, it suggests that the total quantity and the difference quantity have different signs (i.e., one is positive and the other is negative), which is not allowed in the context of the transaction being processed.
  Cause:
  
  Data Entry Errors: Incorrect data entry during inventory adjustments or postings can lead to mismatched signs.
  Incorrect Configuration: Configuration issues in the material master or valuation settings may lead to inconsistencies.
  Inventory Reconciliation Issues: If there are discrepancies during inventory reconciliation, it can result in this error.
  Batch Management: If batch management is enabled, issues with batch quantities can also lead to this error.
  Movement Types: Using incorrect movement types that do not align with the expected quantity changes can cause this issue.
  
  Solution:
  
  Review the Transaction: Check the transaction that triggered the error. Ensure that the quantities being entered are correct and consistent in terms of signs.
  Check Material Master Data: Verify the material master data for any inconsistencies or incorrect settings that might affect quantity postings.
  Reconcile Inventory: Perform a reconciliation of inventory to ensure that the physical stock matches the system stock. Adjust any discrepancies.
  Movement Type Verification: Ensure that the correct movement types are being used for the transactions. Movement types should align with the expected changes in inventory.
  Batch Check: If batch management is in use, verify that the batch quantities are correctly maintained and that there are no discrepancies.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and related transactions.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MB1A, MB1B, or MB1C for inventory postings, and CKM3N for material valuation.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  User Forums: Consider visiting SAP community forums or user groups for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be necessary to involve your SAP support team or a consultant for further investigation and resolution.