Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 009
Message text: No IS-U contracts found for the participating company codes
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The SAP error message CNV_20200_CHECK009 indicates that the system could not find any IS-U (Industry Solution for Utilities) contracts for the participating company codes during a data migration or conversion process. This error typically arises in the context of the SAP Conversion and Migration tools, particularly when migrating data from legacy systems to SAP S/4HANA or during the implementation of IS-U.
Cause: Missing Contracts: The most common cause is that there are no existing IS-U contracts in the specified company codes. This could be due to data not being migrated correctly from the legacy system or simply because contracts have not been created in the SAP system. Incorrect Company Code: The company codes specified in the migration process may not be correctly set up or may not correspond to any existing contracts in the IS-U module. Data Migration Issues: If the data migration process was interrupted or not executed properly, it could lead to
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