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  1. Hi In my scene I have a null node called "Precise_Clipping "where I edited the parameter interface and added a toggle called "precise_clip" then In the voxel size channel of a vdb node I have written the following: if (ch("../Precise_Clipping/precise_clip") == 1) { return 0.01; } else { return 0.2; } The problem here is that it gives this error: http://prntscr.com/cg15f2 Its not the first time I write expression in channel fields, and to me the syntax looks correct...so whats the error? Thanks
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