crash report

java.lang.NullPointerException: Cannot read field "entity" because "c" is null
    at com.simibubi.create.content.contraptions.components.structureMovement.render.ContraptionRenderingWorld.getRenderInfo(ContraptionRenderingWorld.java:90)
    at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179)
    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
    at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1779)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
    at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
    at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
    at com.simibubi.create.content.contraptions.components.structureMovement.render.ContraptionRenderingWorld.tick(ContraptionRenderingWorld.java:67)
    at com.simibubi.create.content.contraptions.components.structureMovement.render.FlwContraptionManager.tick(FlwContraptionManager.java:30)
    at com.simibubi.create.content.contraptions.components.structureMovement.render.ContraptionRenderDispatcher.tick(ContraptionRenderDispatcher.java:66)
    at com.simibubi.create.events.ClientEvents.onTick(ClientEvents.java:191)
    at net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.lambda$static$2(ClientTickEvents.java:65)
    at net.minecraft.class_310.handler$bfp000$onEndTick(class_310.java:8972)
    at net.minecraft.class_310.method_1574(class_310.java:1817)
    at net.minecraft.class_310.method_1523(class_310.java:1091)
    at net.minecraft.class_310.method_1514(class_310.java:737)
    at net.minecraft.client.main.Main.main(Main.java:236)
    at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461)
    at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
    at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)