Check the error encountered by the user for checking the cause and for fixing, as per checking, the error is to the JDA connection, it cannot see the connection called where the data should be extracted
Check the application for checking, what connection it is calling to extract the data, as per checking, there are slot id selections for Muji on my side but none on the user
connect remotely to update the exe and config file on their side to extract the data and generate the barcode without any error, after updating, test the searching and printing of slot ID, as per checking, it is searching and generating barcode successfully, verified by the user
connect remotely to the other PC to fix the printing of slot id barcode as well, send and update the exe and config on the PC, then test the updated application, as per checking, it is now generating successfully and no errors have been encountered in other barcode printing as well