i have a file formed via the export to excel (i set the <File> exit of the export to excel model as the binary file_content, then i just added the file_filename and the file_content_type that i wanted (i needed to create a csv file based on the input made by the user), then i insert the created file to a db table into the file (file data type) column. but in the insert model, i'm getting an error "Attempt to create binary data from a string". I can't trace where the problem is, so please help.
i've attached the project for reference:
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