Message type: E = Error
Message class:  FIRU_IMPRTCSTMSDECLN - Message class for Import Customs Declaration 
Message number: 104
Message text: Please specify Country of Origin
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The SAP error message FIRU_IMPRTCSTMSDECLN104, which translates to "Please specify Country of Origin," typically occurs in the context of import customs declarations. This error indicates that the system requires the specification of the country of origin for the goods being imported, which is a necessary piece of information for customs processing.
Cause: Missing Country of Origin: The most common cause of this error is that the country of origin for the imported goods has not been specified in the relevant document or transaction. Incomplete Master Data: The material master data or vendor master data may not have the country of origin defined. Customs Declaration Configuration: There may be issues with the configuration of customs declaration settings in the SAP system.
Solution: Specify Country of Origin: Navigate to the relevant transaction where the error occurred (e.g., customs declaration, purchase order). Ensure that the country of origin is filled in for the items being imported. This can usually be done
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