新手求助~cocos2dx code IDE

local role = require( “Roles” ).new()
role:init( GameMap )
layer:addChild( role,1 )

local prop = require( “Props” ).new() --这行注释就不会出错

错误提示: LUA ERROR: :29: invalid ‘cobj’ in function ‘lua_cocos2dx_TMXTiledMap_getObjectGroup’

错误提示代码为: local objectGroup = GameMap:getObjectGroup( “Collide” )

是添加了 prop 才出错, 注释之后运行无问题…求助!!!