Message type: E = Error
Message class:  ICC-KR - Localization (South Korea) 
Message number: 564
Message text: Vendor &1 does not exist in table LFB1
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The SAP error message ICC-KR564 indicates that the vendor specified in a transaction does not exist in the vendor master data table LFB1. This table contains vendor information relevant to company codes, and if a vendor is not found there, it can lead to issues in processing transactions related to that vendor.
Cause: Vendor Not Created: The vendor may not have been created in the system for the specific company code. Incorrect Vendor Number: The vendor number entered may be incorrect or mistyped. Vendor Deactivation: The vendor might have been deactivated or marked for deletion. Company Code Mismatch: The vendor may exist, but not for the company code you are trying to use. Data Synchronization Issues: If your system is integrated with other systems, there may be synchronization issues leading to missing vendor data.
Solution: Check Vendor Existence: Use transaction code XK03 (Display Vendor) or MK03 (Display Vendor (Purchasing)) to check if the vendor exists in the system
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