Oh hey, I was just gonna post about this myself too, and because I experience the exactly same error, I can provide some details too:
1. This applies to RTB too in some cases, not sure about him though.
2. I personally haven't shared accounts and this happens still.
3. I have made a topic about this and I have done these things suggested: renaming my add-ons folder, re-installing, doing all kinds of stuff, but the rest i'm not 100% sure of.
4. to speed you guys up in helping, I brought my own console.log with the normal one and traced one.
I had a error, Now it looks like my RTB doesn't see my BLID but apparently the servers do. Oh well, here you have em'
Old thread:
http://forum.blockland.us/index.php?topic=228759.0I'm sorry to pop out like this, but I hope this helps both me and the OP.