COnflict with Ninja Forms File Upload

Hi VillaTheme,

I noticed a conflict between Woo Boost Sales and Ninja Forms File Upload:

When try to upload a file via Ninja Forms. Following error is observed:

Uncaught TypeError: data_post.split is not a function
at HTMLDocument. (woocommerce-boost-sa….js?ver=1.3.9.2:268)
at HTMLDocument.dispatch (jquery.js?ver=1.12.4:3)
at HTMLDocument.r.handle (jquery.js?ver=1.12.4:3)
at Object.trigger (jquery.js?ver=1.12.4:3)
at Object.a.event.trigger (jquery-migrate.min.js?ver=1.4.1:2)
at Function.ajax (jquery.js?ver=1.12.4:4)
at send (jquery.fileupload.js?ver=3.0.26:925)
at a…_onSend (jquery.fileupload.js?ver=3.0.26:988)
at a…_onSend (widget.min.js?ver=1.11.4:11)
at Object.data.submit (jquery.fileupload.js?ver=3.0.26:688)

Can you please provide a solution? Thanks