Message type: E = Error
Message class:  CNV_DMC_SIN - Messages for s-innovations migration 
Message number: 162
Message text: Bank key check failed, check country &1 and bank key &2 combination.
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The SAP error message CNV_DMC_SIN162 indicates that there is an issue with the combination of the country and bank key in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
Cause: The error occurs when the specified bank key does not match the expected format or is not valid for the given country. This can happen due to several reasons: Incorrect Bank Key: The bank key provided does not exist in the system for the specified country. Country-Specific Format: Different countries have specific formats and requirements for bank keys. If the bank key does not conform to these requirements, the system will throw this error. Missing Configuration: The bank key may not be properly configured in the system for the specified country, or it may not be defined in the relevant tables.
Solution: To resolve the error, you can take the following
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