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Post processing material doesn't work in 4.8

I just opened my project in 4.8 and my post processing material doesn't work anymore. I get 2 errors but I don't know what they mean: Error [SM5] warning X3206: implicit truncation of vector type Error [SM5] error X4510: maximum ps_5_0 sampler register index (16) exceeded I never got those errors in 4.7

Product Version: UE 4.8
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asked Jun 18 '15 at 04:11 PM in Rendering

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avatar image Davision Jun 18 '15 at 04:33 PM

Turns it was because I had more then 16 textures used in my post processing material. Yet I didn't get the error in 4.7 with that material. I however had it some time before there but the error message was much more clear with mentioning textures. My guess is there has something changed that doesn't take switches in account anymore.

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