java.lang.NoSuchFieldError: PLANT

[Xalender 0]

I was trying to load some mods on my minecraft client and then my 1.6.4 forge gave me this error:

 

http://pastebin.com/L5094qgx

 

I can't update forge to 1.7.x because the mods I am trying to run are only 1.6.4 compatible.

[Parker8283 10]

Natura and Thaumcraft apparently aren't working together in your world.

[Xalender 0]

Um, i dont have thaumcraft installed... Are you positive it isnt another mod causing the problem because thaumcraft isnt in my mods folder..

[LexManos 1616]

it is another mod, they are shipping the thaumcraft API, an older version then what Natura expects. You'll have to look into the other mods you have installed and see who is providing the outdated version.