rope rebuild giving errors

Assets/Scenes/GameScene.unity

@@ -3734,20 +3734,12 @@ PrefabInstance:
       objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []
-    m_AddedGameObjects:
+    m_AddedGameObjects: []
-    - targetCorrespondingSourceObject: {fileID: 3032075919872812610, guid: ec5007446d8bbca48bf02b3a7e752da1, type: 3}
-      insertIndex: -1
-      addedObject: {fileID: 4910321061857220296}
     m_AddedComponents:
     - targetCorrespondingSourceObject: {fileID: 809911508645467208, guid: ec5007446d8bbca48bf02b3a7e752da1, type: 3}
       insertIndex: -1
       addedObject: {fileID: 1683288374126251323}
   m_SourcePrefab: {fileID: 100100000, guid: ec5007446d8bbca48bf02b3a7e752da1, type: 3}
---- !u!4 &1683288374126251322 stripped
-Transform:
-  m_CorrespondingSourceObject: {fileID: 3032075919872812610, guid: ec5007446d8bbca48bf02b3a7e752da1, type: 3}
-  m_PrefabInstance: {fileID: 1683288374126251321}
-  m_PrefabAsset: {fileID: 0}
 --- !u!114 &1683288374126251323
 MonoBehaviour:
   m_ObjectHideFlags: 0
@@ -3891,7 +3883,7 @@ PrefabInstance:
   serializedVersion: 2
   m_Modification:
     serializedVersion: 3
-    m_TransformParent: {fileID: 1683288374126251322}
+    m_TransformParent: {fileID: 0}
     m_Modifications:
     - target: {fileID: 144529238244638330, guid: 0248db69242a3dd47898c6742b6c9f60, type: 3}
       propertyPath: m_LocalPosition.x
@@ -3950,11 +3942,6 @@ PrefabInstance:
     m_AddedGameObjects: []
     m_AddedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 0248db69242a3dd47898c6742b6c9f60, type: 3}
---- !u!4 &4910321061857220296 stripped
-Transform:
-  m_CorrespondingSourceObject: {fileID: 144529238244638330, guid: 0248db69242a3dd47898c6742b6c9f60, type: 3}
-  m_PrefabInstance: {fileID: 4910321061857220295}
-  m_PrefabAsset: {fileID: 0}
 --- !u!1001 &5796191506433166633
 PrefabInstance:
   m_ObjectHideFlags: 0
@@ -4822,6 +4809,7 @@ PrefabInstance:
 SceneRoots:
   m_ObjectHideFlags: 0
   m_Roots:
+  - {fileID: 4910321061857220295}
   - {fileID: 1683288374126251321}
   - {fileID: 1536317696}
   - {fileID: 4158834148864819266}

Assets/Scripts/Multiplayer/NetworkedGameSetup.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using Unity.Netcode;
 using UnityEngine;
 using UnityEngine.SceneManagement;
+using static UnityEditor.Experimental.GraphView.GraphView;
 
 public class NetworkedGameSetup : NetworkBehaviour
 {
@@ -34,6 +35,13 @@ public class NetworkedGameSetup : NetworkBehaviour
         else
             players = GetPlayers(playerIds);
 
+        StartCoroutine(LateSetupProcedue(players));
+    }
+
+    private IEnumerator LateSetupProcedue(GameObject[] players)
+    {
+        yield return new WaitForSecondsRealtime(0.01f);
+
         InitRope(players);
 
         InitUpgrader(players);
@@ -43,13 +51,7 @@ public class NetworkedGameSetup : NetworkBehaviour
 
     private GameObject[] GetPlayers(List<ulong> playerIds)
     {
-        GameObject[] players = new GameObject[playerIds.Count];
+        GameObject[] players = NetworkManager.SpawnManager.SpawnedObjects.Select(x=>x.Value.gameObject).ToArray();
-
-        for (int i = 0; i < playerIds.Count; i++)
-        {
-            ulong playerId = playerIds[i];
-            players[i] = NetworkManager.SpawnManager.SpawnedObjects[playerId].gameObject;
-        }
 
         return players;
     }
@@ -70,10 +72,8 @@ public class NetworkedGameSetup : NetworkBehaviour
 
     private void InitRope(GameObject[] players)
     {
-        RopeSimulator ropeSim = GetComponentInChildren<RopeSimulator>();
-
         // Assuming 2 players
-        ropeSim.BuildRope(players[0].GetComponent<RopeJoint>(), players[1].GetComponent<RopeJoint>());
+        RopeSimulator.instance.BuildRope(players[0].GetComponent<RopeJoint>(), players[1].GetComponent<RopeJoint>());
     }
 
     private void InitUpgrader(GameObject[] players)

Assets/Scripts/Rope/RopeSimulator.cs

@@ -70,6 +70,20 @@ public class RopeSimulator : MonoBehaviour
 
     Dictionary<Collider2D, float> colliderToSquezeForce = new();
 
+    public static RopeSimulator instance;
+
+    private void Awake()
+    {
+        if (instance == null)
+        {
+            instance = this;
+        }
+        else
+        {
+            Destroy(instance);
+        }
+    }
+
     private void Start()
     {
         // Example of using rope builder
@@ -178,6 +192,8 @@ public class RopeSimulator : MonoBehaviour
 
     private void OnDestroy()
     {
+        if (start == null || end == null) return;
+
         start.playerInput.ropeLengthShrinken -= ShrinkenRope;
         end.playerInput.ropeLengthShrinken -= ShrinkenRope;