You run transaction J1AEXPMONITOR and your invoice is not able to be processed when you try to send it AFIP.
Code 1640 Description: Maintain Incoterm description for
Error while validating the built data
unit of measure, J_1A_UOMCODE, J1AEXPMONITOR, export order, incoterms, afip, description, built data, code 1640 , KBA , XX-CSC-AR-LO , use FI-LOC-LO-AR , Problem
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