[BUG] Attempting to forward messages from channels marked NSFW suddenly returns MESSAGE_ID_INVALID

[puphoenn-byte]

Steps to reproduce

1. Forward a message from a channel marked NSFW to another user, channel, or even Saved Messages (no links provided due to GitHub privacy limitations)
2. Observe the following error:

Expected behaviour
The message should forward.

Actual behaviour
The message fails to forward and instead a toast is displayed with the non-descriptive error MESSAGE_ID_INVALID.

Operating system
This issue occurs across Windows, iOS, Android, and Web clients.

[levlam]

Do you have a link to such message?

[puphoenn-byte]

I do, but to put it kindly it is harcore LGBT porn. I can still share it if interested. Just don't want to expose someone unwilling to content they are uninterested or unable to view.