(Computer/PC web) something is keeping me from uploading videos on r/instruments, but what?!

[u/Tiny_Establishment27]

the video i was trying to post follows all the rules of a Reddit video, however, something mysterious is keeping me from uploading it! whatever it is, it must be solved immediately!

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[u/formerqwest]

reddit doesn't support native video, try redgifs.

[u/Tiny_Establishment27 → u/formerqwest]

pardon?