Why is 'error CS1022: Type or namespace definition, or end' coming?

Unity Engine
,
1

Hello, this is my first project in Unity that I hope to make successfully. I keep coming into an error, and I am not able to figure out what the problem is. I am listing the error and code below.

Error -
Assets\Scripts\Collectables\CollectCoin.cs(13,5): error CS1022: Type or namespace definition, or end-of-file expected

Code -
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CollectCoin : MonoBehaviour
{
public AudioSource coinFX;

void OnTriggerEnter(Collider other);
}
coinFX.Play();
this.gameObject.SetActive(false);
}
{

Please see if you can help,
Thank you so much

2

check the braces

3

Okay, thank you! Can you please tell me which specific braces I need to change?

4

Hello,
I am very new to Unity and this is my first project I am trying to make. I keep getting this error, and I am not understanding why that is so. Here is the error is says, and below is my code.

ERROR - Assets\Scripts\Collectables\RotateObject.cs(5,14): error CS0101: The namespace ‘’ already contains a definition for 'RotateObject

CODE -
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class RotateObject : MonoBehaviour
{
public int rotateSpeed = 1;

void Update()
{
transform.Rotate(0, rotateSpeed, 0, Space.World);
}
}

Please see if you can help,
Thank you!