I'm trying to build a light map for the scenes of my game, but I've recently started getting this error : Maximum number (64) of shader local keywords exceeded, keyword GEOM_TYPE_FROND will be ignored. You will have to delete some shaders or make them use less keywords. Keywords used in project now: _LAYEREMISSION_DEF_2 _WIND_ON _LAYERT[ Unity refuses to finish building any light maps for any scene in the game. I haven't added any new shaders to the project recently. Can anyone suggest a solution?