This has been happening for almost the whole day now. when someone in the server does/did /tpa <name>, the request message did not appear. when doing /tpaccept, you would get the teleported message, but the person does not appear. This currently applies to everyone in Majestic, but I am not sure about noble or gigaplot.
This has also been happening to me. I was talking to somebody and they asked me to teleport to them, which I did. The request sent successfully, but I never ended up actually teleporting to them, even though they did accept. They kept asking me to request again, but it still did not work. Some time later, I was on a Skype call with my friend and her twin. My friend requested to teleport to me but it didn't work, even though I accepted. Her twin then teleported to her and it worked for them two. I don't know why, but it worked...? Howdee x
It's most likely a bug or something. I wouldn't imagine it taking long to fix, best thing to do now is tell people that it isn't working and wait for it to be fixed