Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 400
Message text: No uniqe language in target company code &1
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The SAP error message CNV_20200_CHECK400 with the description "No unique language in target company code &1" typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during system upgrades. This error indicates that the target company code does not have a unique language setting, which is necessary for the data being migrated.
Cause: Multiple Languages: The target company code is configured to support multiple languages, but the system requires a single, unique language for the migration process.
Configuration Issues: There may be inconsistencies in the language settings of the company code in the target system. Data Migration Settings: The data migration settings may not align with the language configuration of the target company code.
Solution: To resolve this error, you can take the following steps: Check Language Configuration: Go to the transaction code OBY6 (or the relevant configuration path) to check the language settings for the company code in question. Ensure that the
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