Cover and profile picture upload not working because of Javascript

Hey,
when I try to upload a profile picture or cover picture to my site, I get an error in the console.
Its a JS error, can anyone help? “r.uploadFile is not a function” its one of ultimate members files.

console log:
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um-functions.min.js?ver=2.1.21:formatted:60 Uncaught TypeError: r.uploadFile is not a function
at initImageUpload_UM (um-functions.min.js?ver=2.1.21:formatted:60)
at um_new_modal (um-functions.min.js?ver=2.1.21:formatted:285)
at HTMLAnchorElement.<anonymous> (um-modal.min.js?ver=2.1.21:1)
at HTMLBodyElement.dispatch (jquery-3.3.1.min.js:formatted:1999)
at HTMLBodyElement.y.handle (jquery-3.3.1.min.js:formatted:1930)
at Object.trigger (jquery-3.3.1.min.js:formatted:3314)
at HTMLAnchorElement.<anonymous> (jquery-3.3.1.min.js:formatted:3339)
at Function.each (jquery-3.3.1.min.js:formatted:137)
at w.fn.init.each (jquery-3.3.1.min.js:formatted:68)
at w.fn.init.trigger (jquery-3.3.1.min.js:formatted:3338)`
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