Ver-4.0.8 Entity with has encountered an exception.

[19:52:09 WARN]: java.util.concurrent.CompletionException: java.lang.RuntimeException: Entity with UUID ddde74d1-d64a-464d-8e4a-6edcca086446 has encountered an exception: [19:52:09 WARN]: at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315) [19:52:09 WARN]: at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320) [19:52:09 WARN]: at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1807) [19:52:09 WARN]: at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) [19:52:09 WARN]: at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) [19:52:09 WARN]: at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312) [19:52:09 WARN]: at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) [19:52:09 WARN]: at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) [19:52:09 WARN]: at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) [19:52:09 WARN]: Caused by: java.lang.RuntimeException: Entity with UUID ddde74d1-d64a-464d-8e4a-6edcca086446 has encountered an exception: [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.api.model.ModelUpdaters.lambda$tick$1(ModelUpdaters.java:77) [19:52:09 WARN]: at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) [19:52:09 WARN]: ... 6 more [19:52:09 WARN]: Caused by: java.lang.NullPointerException: Cannot invoke "org.bukkit.inventory.ItemStack.clone()" because the return value of "java.util.Map.get(Object)" is null [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.core.model.render.DisplayRendererImplBoneImpl.lambdaupdateBoneData$1(DisplayRendererImpl.java:358) [19:52:09 WARN]: at java.base/java.lang.Iterable.forEach(Iterable.java:75) [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.core.model.render.DisplayRendererImpl$BoneImpl.updateBoneData(DisplayRendererImpl.java:357) [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.core.model.render.DisplayRendererImpl.read(DisplayRendererImpl.java:193) [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.core.model.render.DisplayRendererImpl.readModelData(DisplayRendererImpl.java:160) [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.core.model.ActiveModelImpl.tick(ActiveModelImpl.java:181) [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.core.model.ModeledEntityImpl.tick(ModeledEntityImpl.java:118) [19:52:09 WARN]: at ModelEngine-4.0.8.jar//com.ticxo.modelengine.api.model.ModelUpdaters.lambda$tick$1(ModelUpdaters.java:69) [19:52:09 WARN]: ... 7 more