Cannot download - all other features working properly

[CollinChaffin]

Steps to reproduce the bug

1. Open popup, press "d"

Expected behavior

Download

Screenshots

(HAPPENS ON ALL SITES)

Uncaught TypeError: Cannot convert object to primitive value
    at Object.onerror (userscript.html?name=Mouseover%20Popup%20Image%20Viewer.user.js&id=e32b0d9a-7945-4a74-b1fd-133905432e37:2528:74)
    at nt (<anonymous>:13:1036)
    at eval (eval at exec_fn (www.instagram.com/:3:113), <anonymous>:35:173)
    at nt (<anonymous>:13:1036)
    at a (eval at exec_fn (www.instagram.com/:3:113), <anonymous>:3:448)
    at eval (eval at exec_fn (www.instagram.com/:3:113), <anonymous>:4:111)
    at <anonymous>:6:142
    at x (<anonymous>:6:161)

Environment

• Browser: [Chrome]
• MPIV Version: Current (github installed)

[tophf]

I can't reproduce the problem. Maybe you didn't allow downloading of this file type in Tampermonkey's options?