How To Fix CKMLDUVN601 - Materials and activities cannot be processed at the same time


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CKMLDUVN - Inventory differences distribution messages

  • Message number: 601

  • Message text: Materials and activities cannot be processed at the same time

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  • 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 CKMLDUVN601 - Materials and activities cannot be processed at the same time ?

    The SAP error message CKMLDUVN601, which states "Materials and activities cannot be processed at the same time," typically occurs in the context of the Material Ledger during the process of executing a material valuation or during the closing of a period. This error indicates that there is a conflict in the processing of materials and activities, which cannot be handled simultaneously.

    Cause:

    1. Simultaneous Processing: The error usually arises when there is an attempt to process both material movements and activity allocations at the same time. This can happen if you are trying to execute a transaction that involves both materials and activities in a way that is not allowed by the system.
    2. Configuration Issues: There may be configuration settings in the Material Ledger or in the controlling module that are not aligned, leading to this error.
    3. Open Periods: If there are open periods for both materials and activities, the system may not allow processing until the periods are closed or reconciled.

    Solution:

    1. Separate Processing: Ensure that you are processing materials and activities in separate transactions. For example, complete all material postings before attempting to process activity allocations.
    2. Check Configuration: Review the configuration settings in the Material Ledger and controlling modules to ensure they are set up correctly. This includes checking the settings for the valuation method and the activity types.
    3. Close Open Periods: If applicable, close any open periods for materials or activities that may be causing the conflict. This may involve running the necessary closing transactions in the system.
    4. Review Logs: Check the application logs for more detailed information about the error. This can provide insights into what specific transactions or settings are causing the issue.
    5. Consult Documentation: Refer to SAP documentation or notes related to the Material Ledger and activity allocation for any specific guidance or known issues.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as CKMLCP (Material Ledger Closing) and CKMLMV (Material Ledger Valuation) to understand where the error might be occurring.
    • SAP Notes: Search for SAP Notes related to CKMLDUVN601 for any patches or updates that may address this issue.
    • User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.

    If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Material Ledger and controlling processes.

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