Water colour suddenly changing

[alexisbbb 0]

Hey,

I have the following issue:

 

It's quite disturbing to me. Do you have any idea what the reason could be?

[charliearon 3,024]

Hey is a rather bad way to start your question(s).  I realize that English may not be your native tongue.  OK, now to your question....did you add any new shaders or tomato shade or tomato paste/sauce to your recipe?  Have you changed any texture settings?