I'm trying to get the toon shader from the wiki to work, but with the code and pictures straight from the wiki it gives me this error:

Quote:

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Error in effect:
mtl_toon(44): error X5326: Read of unitialized components(*) in v0: *x/0 *y/1 *z/2 *w/3
(45): error X5326: Read of unitialized components(*) in v3: *x/0 *y/1 *z/2 *w/3
...
and it goes on like this

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Is there anybody who knows what causes this? All help would be more then appreciated!