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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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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