Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 109
Message text: There are no MM reference purchasing organizations
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The SAP error message CNV20551109, which states "There are no MM reference purchasing organizations," typically occurs during the migration or conversion process when the system is trying to find a reference purchasing organization in the Materials Management (MM) module. This error can arise in various scenarios, such as during data migration, system upgrades, or when setting up new purchasing organizations.
Cause: Missing Configuration: The error usually indicates that the system cannot find any reference purchasing organizations configured in the system. This could be due to: No purchasing organizations have been defined in the system. The purchasing organizations that exist are not set as reference organizations. Incorrect or incomplete data in the configuration settings. Data Migration Issues: If you are migrating data from another system, it is possible that the necessary purchasing organization data was not included or was incorrectly mapped. Authorization Issues: Sometimes, the user executing the transaction may not have the necessary authorizations to view or
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