Нету там LacksPrerequisiteLabel = TOOLTIP:... Но не думаю, что сие так важно - лишь описание. А попробуй видоизменить пока так:
CommandButton Command_ConstructAngmarSnowTrollHorde
Command = UNIT_BUILD
Object = AngmarSnowTrollHorde
Options = CANCELABLE
;NeededUpgrade = UpgradeAngmarDenLevel2
;NeededUpgradeAny = Yes
TextLabel = CONTROLBAR:ConstructAngmarSnowTrollHorde
ButtonImage = KUSnowTrollIcon
ButtonBorderType = BUILD
DescriptLabel = CONTROLBAR:ToolTipBuildAngmarSnowTrollHorde
Radial = Yes
InPalantir = Yes
ShowProductionCount = Yes
End
CommandButton Command_ConstructAngmarHillTrollHorde
Command = UNIT_BUILD
Object = AngmarHillTrollHorde
Options = CANCELABLE
;NeededUpgrade = UpgradeAngmarDenLevel2
;NeededUpgradeAny = Yes
TextLabel = CONTROLBAR:ConstructAngmarHillTrollHorde
ButtonImage = KUHillTrollIcon
ButtonBorderType = BUILD
DescriptLabel = CONTROLBAR:ToolTipBuildAngmarHillTrollHorde
Radial = Yes
InPalantir = Yes
ShowProductionCount = Yes
END
И поставь людям, например.
Как появляются? Без найма?