UDim2.lua:23:attempt to index field "X" (a nil value) stack traceback: UDim2.lua:23: in function "GetAbsolutePosition" main.lua:13: in function "CreateImageRect" main.lua:22: in main chunk
What am I doing wrong?

Source of Vector2.lua -> https://gist.github.com/Elmuti/cd218733c3bb0c1b19c00a83414a20e7
Source of UDim.lua -> https://gist.github.com/Elmuti/d17beaba884ffb4bc1d51f67bcd40e7f
Source of UDim2.lua -> https://gist.github.com/Elmuti/a093798df30286b4378d5d80491bb6ce
Source of main.lua -> https://gist.github.com/Elmuti/2950eaaebca8701121e71667d4a89ef4