Expression    : fatal error
Function      : CScriptEngine::lua_error
File          : E:\stalker\sources\trunk\xr_3da\xrGame\script_engine.cpp
Line          : 73
Description   : <no expression>
Arguments     : LUA error: ...s.t.a.l.k.e.r\gamedata\scripts\dialog_manager.script:393: attempt to compare number with nil