Trying out OSL parallax and the demo scene works perfecly when i open it, but if i merge one of the OSL planes into my scene it renders out really dark - actually I thought it was black and not loading in the maps but after a while i realised that it was lightmix making it dark. Maps were remapped.
If i put it on beauty pass the OSL plane renders and the shop is visible but it is still too dark but all other 3d objects render bright as they should, any ideas, wasted almost 3 hrs on this freakign thing 
thanks
*** ignore above ***
got it sorted, seems to be a cache issue with osl maps