How To Fix MD_SUBSTN020 - Rule &1 must be relevant for only one application


MD_SUBSTN020 - Overview

  • Message type: E = Error

  • Message class: MD_SUBSTN - Messages for Master Data Substitution

  • Message number: 020

  • Message text: Rule &1 must be relevant for only one application

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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.

    Unfortunately, there isn't any extra information in this error notice.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message MD_SUBSTN020 - Rule &1 must be relevant for only one application ?
    The SAP error message MD_SUBSTN020 indicates that a specific substitution rule (identified by the rule number &1) is not correctly configured because it is relevant for more than one application. This typically occurs in the context of SAP's Master Data Management, particularly in the area of material management or planning.
    
    Cause: The error arises when a substitution rule is defined in such a way that it is associated with multiple applications, which is not allowed. Each substitution rule must be unique to a single application to ensure that the system can apply the rule correctly without ambiguity.
    Solution: To resolve this error, you need to check the configuration of the substitution rule in question. Here are the steps you can take: Identify the Rule: Note the rule number indicated in the error message (replace &1 with the actual rule number). Access the Substitution Rule Configuration: Go to the relevant transaction in SAP (usually in the area of

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