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Showing results for tags 'expression stack error'.
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I just set up a new computer, my first time running Linux (i.e. Mint). After installing Houdini 15 production build (licensed Apprentice first, later I also enabled Indie) even simple scenes produce lots of random errors. They appear while setting up nodes and before trying to render. For example when I set up a new camera, its parameters "Aperture" and "Near Clipping" are tinted green and show "0". I was able to fix that by deleting channels. However after setting up a Mantra node, a Box node and some environment light, the renderer does not start and errors: "Unable to evaluate expression (Expression stack error (/obj/ropnet1/mantra1/vm-cacheratio))." Never had such a weird behaviour. Help is very much appreciated! show_details.txt error.hiplc