From e15c19222fea3094dcb9507bf331d6dda0ec7e00 Mon Sep 17 00:00:00 2001
From: simibubi <31564874+simibubi@users.noreply.github.com>
Date: Thu, 6 Aug 2020 21:34:22 +0200
Subject: [PATCH] Hotfix

Optional: exists
simi: null
---
 .../components/structureMovement/ContraptionEntity.java       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionEntity.java b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionEntity.java
index dfdfe4b6b..f8b8680b5 100644
--- a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionEntity.java
+++ b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionEntity.java
@@ -595,8 +595,8 @@ public class ContraptionEntity extends Entity implements IEntityAdditionalSpawnD
 	@Override
 	protected void registerData() {
 		this.dataManager.register(STALLED, false);
-		this.dataManager.register(COUPLING, null);
-		this.dataManager.register(COUPLED_CART, null);
+		this.dataManager.register(COUPLING, Optional.empty());
+		this.dataManager.register(COUPLED_CART, Optional.empty());
 	}
 
 	@Override