i have many error please help me

i have many errors in my code that i will list bellow with the code please help me:

Assets\scripts\RagdollDeath.cs(5,14): error CS0101: The namespace '<global namespace>' already contains a definition for 'RagdollDeath'

Assets\scripts\RagdollDeath.cs(13,14): error CS0111: Type 'RagdollDeath' already defines a member called 'Start' with the same parameter types

Assets\scripts\RagdollDeath.cs(33,14): error CS0111: Type 'RagdollDeath' already defines a member called 'ToggleRagdoll' with the same parameter types

Assets\RagdollDeath.cs(8,6): error CS0246: The type or namespace name 'SerializedFieldAttribute' could not be found (are you missing a using directive or an assembly reference?)

Assets\RagdollDeath.cs(8,6): error CS0246: The type or namespace name 'SerializedField' could not be found (are you missing a using directive or an assembly reference?)

Code (csharp):

1.  
2. using System.Collections;
3. using System.Collections.Generic;
4. using UnityEngine;
5.  
6. public class RagdollDeath : MonoBehaviour
7. {
8.     [Header("References")]
9.     [SerializeField] private Animator animator = null;
10.  
11.     private Rigidbody[] ragdollBodies;
12.     private Collider[] ragdollColloders;
13.  
14. private void Start()
15. {
16.     ragdollBodies = GetComponentsInChildren<Rigidbody>();
17.     ragdollColliders = GetComponentsInChildren<Collider>();
18.  
19.     ToggleRagdoll(False);
20.  
21.     Invoke(nameof(Die), 5f);
22. }
23.  
24. private void Die()
25. {
26.     ToggleRagdoll(true);
27.  
28.     foreach(Rigidbody rb in ragdollBodies)
29.     {
30.         rb.AddExplosionForce(107f, new Vector3(-1f, 0.5f, -1f), 5f, 0f, ForceMode.Impulse);
31.     }
32. }
33.  
34. private void ToggleRagdoll(bool state)
35. {
36.     animator.enabled = !state;
37.  
38.     foreach(Rigidbody rb in ragdollBodies)
39.     {
40.         rb.isKinematic = !state;
41.     }
42.  
43.     foreach (Collider collider in ragdollColliders)
44.     {
45.         collider.enabled = state;
46.     }
47. }
48.  
49.  
50. }
51.  
52. [code]

 

Most probably you have got two or more script files with the same name "RagdollDeath.cs" . Search for all the scripts in your project if the name is duplicate.

 

now i have 2 errors:

Assets\RagdollDeath.cs(8,6): error CS0246: The type or namespace name 'SerializedFieldAttribute' could not be found (are you missing a using directive or an assembly reference?)


Assets\RagdollDeath.cs(8,6): error CS0246: The type or namespace name 'SerializedField' could not be found (are you missing a using directive or an assembly reference?)