Uploaded videos not working for iPhone 15 Pro Max users (also can't upload photos)

[PumpinIron]

I’ve been getting a lot of forum members telling me that they can’t get any of the uploaded videos on my forum to work.

Everyone who tells me this is using an iPhone 15 Pro Max (not sure why that particular phone seems to be affected).

YouTube and other embedded videos are fine, it's just the videos that have been uploaded to the forum directly.

They're also telling me that they aren't able to upload images from their iPhone 15 Pro Max either.
Uploaded videos not working for iPhone 15 Pro Max users (also can't upload photos)

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