[16:25:55] [Client thread/ERROR] [FML]: Exception loading model for variant architecturecraft:shape#light=10
net.minecraftforge.client.model.ModelLoaderRegistry$LoaderException: Exception loading model architecturecraft:shape#light=10 with loader VariantLoader.INSTANCE, skipping
at net.minecraftforge.client.model.ModelLoaderRegistry.getModel(ModelLoaderRegistry.java:161) ~[ModelLoaderRegistry.class:?]
at net.minecraftforge.client.model.ModelLoader.func_177569_a(ModelLoader.java:235) ~[ModelLoader.class:?]
at net.minecraft.client.renderer.block.model.ModelBakery.loadBlock(ModelBakery.java:166) ~[cgb.class:?]
at net.minecraftforge.client.model.ModelLoader.func_188640_b(ModelLoader.java:223) ~[ModelLoader.class:?]
at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:150) ~[ModelLoader.class:?]
at net.minecraft.client.renderer.block.model.ModelManager.func_110549_a(ModelManager.java:28) [cgc.class:?]
at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:121) [cev.class:?]
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:513) [bib.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378) [bib.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_271]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_271]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_271]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_271]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: net.minecraft.client.renderer.block.model.ModelBlockDefinition$MissingVariantException
at net.minecraft.client.renderer.block.model.ModelBlockDefinition.func_188004_c(ModelBlockDefinition.java:83) ~[bvv.class:?]
at net.minecraftforge.client.model.ModelLoader$VariantLoader.loadModel(ModelLoader.java:1175) ~[ModelLoader$VariantLoader.class:?]
at net.minecraftforge.client.model.ModelLoaderRegistry.getModel(ModelLoaderRegistry.java:157) ~[ModelLoaderRegistry.class:?]
... 15 more

If this is the issue I think it is then it's a false positive, the mod itself injects the data at runtime so if your game isn't crashing then this isn't a bug.