Tile Engine

The tileEngine gives errors and crashes the simulator whenever i tried to remove the group that holds the background images for the tile.

Please help

Thanks
[blockcode]
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>
Runtime error
/Development/Nemesis/tileEngine.lua:73: attempt to perform arithmetic on local ‘angle’ (a nil value)
stack traceback:
[C]: ?
/Development/Nemesis/tileEngine.lua:73: in function
?: in function <?:214>

[/blockcode]
[import]uid: 11038 topic_id: 4169 reply_id: 304169[/import]