Message type: E = Error
Message class:  EDOCUMENT_IN_EINV - eDocument Inda eInvoice 
Message number: 048
Message text: Field 'port' is not filled under node 'ExpDtls'
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The SAP error message EDOCUMENT_IN_EINV048 indicates that the field 'port' is not filled under the node 'ExpDtls' in the context of electronic invoicing (e-invoicing). This error typically arises when generating or processing electronic invoices, particularly in scenarios where specific data fields are required for compliance with regulatory standards.
Cause: The error is caused by the absence of a required field ('port') in the 'ExpDtls' node of the electronic invoice data structure. This field is often necessary for identifying the port of export or the location related to the transaction, especially in international trade scenarios.
Solution: To resolve this error, you should take the following steps: Check Configuration: Ensure that the configuration for electronic invoicing is set up correctly in your SAP system. This includes verifying that all necessary fields are mapped and populated correctly. Populate the 'port' Field: Identify where the 'port' field should be populated in your invoice data. This may involve checking the relevant master
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