See the following link below, as it is happening to me just now. I'm using Chrome on a PC, and have cleared cache more than once, but keep getting error that I can't post twice, yet no post is showing after opening the link in another tab.

https://subeta.net/forums.php/read/907819/Forum-posts-are-not-going-through

It looks like it was a delay, as it's showing now.

https://subeta.net/forums.php/gotopost/64239398

Forum: ">https://subeta.net/forums.php/read/865529/Token-Shop-RS-Pinging-V4-/91/