Message type: E = Error
Message class:  EDOCUMENT_IN_EINV - eDocument Inda eInvoice 
Message number: 041
Message text: 'Mode' & is not valid under node 'PayDtls'
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The SAP error message EDOCUMENT_IN_EINV041 typically indicates an issue with the electronic invoicing (e-invoicing) process, specifically related to the payment details section of the invoice. The error message suggests that the value provided for the 'Mode' field under the 'PayDtls' (Payment Details) node is not valid.
Cause: Invalid Value: The 'Mode' field may contain a value that is not recognized or allowed by the system. This could be due to a typo, incorrect configuration, or using a value that is not supported by the e-invoicing standards.
Configuration Issues: The configuration settings for electronic invoicing in your SAP system may not be set up correctly, leading to the acceptance of invalid values. Data Mapping Issues: If the data being sent to the e-invoicing system is being mapped incorrectly, it could lead to invalid values being passed.
Solution: Check the Value of 'Mode': Review the value being passed in the 'Mode' field under the 'PayDtls' node. Ensure that
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