@ZOS_Kevin - perhaps this should be moved to bug reports, im sure it's been reported many times though.
The behaviour happens when you crash / disconnect and your character is still online in game when you try and log back in.
For players to avoid this they basically need to guess when their character will go offline (or have a friend tell them).
The same is also true for an easy reproduction method if you are logged into the game then open a second instance of ESO and try and log in again. You get kicked from the character you are logged in as, and also cannot access the game for some time.
@Solar_Breeze
NA ~ Izanerys: Dracarys (Videos | Dracast)
EU ~ Izanagi: Banana Squad (AOE Rats/ Zerg Squad / Roleplay Circle)
The same thing happened to me about an hour ago or so. Error 301, error 307, then "failed to get server information". After maybe 15 minutes I could log in again. The IA run was terminated, obviously. Thank you for not having any kind of save feature.