Bug description and reproduction steps

disguise block not showing rendering

Log files and Screenshots

[DynamicBakedModelProvider.class:?]
at net.minecraft.client.renderer.block.model.ModelManager.getModel(ModelManager.java:42) [cgc.class:?]
at net.minecraftforge.client.ItemModelMesherForge.getItemModel(ItemModelMesherForge.java:541) [ItemModelMesherForge.class:?]
at net.minecraft.client.renderer.ItemModelMesher.getItemModel(ItemModelMesher.java:44) [buv.class:?]
at net.minecraft.client.renderer.RenderItem.getItemModelWithOverrides(RenderItem.java:247) [bzw.class:?]
at codechicken.lib.render.item.CCRenderItem.getItemModelWithOverrides(CCRenderItem.java:393) [CCRenderItem.class:?]
at codechicken.lib.render.item.CCRenderItem.renderItemAndEffectIntoGUI(CCRenderItem.java:334) [CCRenderItem.class:?]
at net.minecraft.client.gui.inventory.GuiContainer.drawSlot(GuiContainer.java:265) [bmg.class:?]
at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:98) [bmg.class:?]
at cpw.mods.ironchest.client.gui.chest.GUIChest.drawScreen(GUIChest.java:100) [GUIChest.class:?]
at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396) [ForgeHooksClient.class:?]
at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1124) [buq.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1119) [bib.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:3614) [bib.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
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: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.RuntimeException: Encountered an exception when loading model definition of model minecraft:blockstates/old_wood_slab.json

the blocks exrtend out ok just the drawbridge block remains the same and does not update when adding a block to disguise it

Used minecraft version

1.12.x

Used forge or fabric version

forge 14.23.5.285

Used mod version

1.2.1.8