I use OBSE 19 beta 4, which I run the editor with, as well as OBME 1.0 (oblivion magic extender). I don't think it's OBME causing this, as I uninstalled it yet still got the same error messages.
Here's the first dozen or so lines from EditorWarnings.txt. I can't post it all, because it's too huge.
Form (00000032) in file "Oblivion.esm" has wrong type.Should be: STATIs: NONEDataHandler: unrecognized formLook in the C:\Documents and Settings\Haydn_Harach\My Documents\My Games\Oblivion\EditorWarnings.txt file for more info.Could not find RandomTeleport (0003E50A) for Door 'MQ11BravilOblivionGate' (000CD33B).Could not find RandomTeleport (00099C15) for Door 'MQ11AnvilOblivionGate' (000CD33A).Could not find RandomTeleport (0004A99F) for Door 'MQ11LeyawinOblivionGate' (000CD339).Could not find RandomTeleport (0003F551) for Door 'MQ11ChorrolOblivionGate' (000CD338).Could not find RandomTeleport (0002C5E4) for Door 'MQ11SkingradOblivionGate' (000CD337).Could not find RandomTeleport (00099C15) for Door 'MS94OblivionGate' (0005A01A).Could not find RandomTeleport (0002C5E4) for Door 'MS94OblivionGate' (0005A01A).Could not find RandomTeleport (0004A99F) for Door 'MS94OblivionGate' (0005A01A).Could not find RandomTeleport (0003F551) for Door 'MS94OblivionGate' (0005A01A).Could not find RandomTeleport (00099C15) for Door 'OblivionGatetoOblivion' (00091C9C).Could not find RandomTeleport (0005222A) for Door 'OblivionGatetoOblivion' (00091C9C).Could not find RandomTeleport (0004FAED) for Door 'OblivionGatetoOblivion' (00091C9C).Could not find RandomTeleport (0002C5E4) for Door 'OblivionGatetoOblivion' (00091C9C).Could not find RandomTeleport (0004A99F) for Door 'OblivionGatetoOblivion' (00091C9C).Could not find RandomTeleport (0003F551) for Door 'OblivionGatetoOblivion' (00091C9C).Could not find RandomTeleport (0003E50A) for Door 'OblivionGatetoOblivion' (00091C9C).