I just sent this to the help desk I don't know if they're going to do anything or even contact me...
You may not be able to post as a guest temporarily because of server problems that I have no control over and that I cannot even diagnose.
You may have to be a member from now on you can register.
If you're using the mobile version, you're going to need to go to the desktop version. Go to the left side of top of the page; go to the drop down there should be a desktop version. Click on that and go to the desktop version and go up to see if there is a register option on the top of the page. You will need to register if you can't post as a guest.
Sorry for the inconvenience I have no explanation for this problem.
Update: I'm also noticing that my friend can't even register. Something is going on with board host.
You can go to my alternative board:
C.