i always get this same thing when i try to compile a map that i have a func_tank in it
qcsg.exe v2.8 (Jan 31 2000)
-- qcsg --
entering C:SIERRAHalf-Lifevalvemapsdropship.map
CreateBrush: 0...1...2...3...4...5...6...7...8...9...Entity 0, Brush 122: plane with no normal
Entity 0, Brush 122: A 'Unknown Class' @(0,0,0) has a coplanar plane at (-85, -276, -285), texture TANKTOP
Entity 0, Brush 122: A 'Unknown Class' @(0,0,0)
outside world(+/-4096): (-8800, -276, -9000)-(9000,9000,8800)
Entity 0, Brush 122: A 'Unknown Class' @(0,0,0)
outside world(+/-4096): (-8816, -292, -9036)-(9016,9016,8836)
Entity 0, Brush 122: A 'Unknown Class' @(0,0,0)
outside world(+/-4096): (-8832, -308, -9032)-(9032,9032,8832)
Entity 0, Brush 122: A 'Unknown Class' @(0,0,0)
outside world(+/-4096): (-8816, -292, -9018)-(9016,9016,8818)