1x MapLine/MapLine.lua:22: attempt to perform arithmetic on local 'a' (a nil value)
[string "@MapLine/MapLine.lua"]:22: in function <MapLine/MapLine.lua:21>
[string "@MapLine/MapLine.lua"]:88: in function <MapLine/MapLine.lua:55>

Locals:
px = 1237
py = -11831
a = nil
sx = 2220.833252
sy = -11168.750000
ex = -4160.416504
ey = -11168.750000
(*temporary) = 1.570796
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to perform arithmetic on local 'a' (a nil value)"