Scene doesnt running

Hello,
When I run the second level directly, I can play without any problems. However, when I start the game from the beginning, the main menu comes first level (working properly) and then the level change scene. level changes to the second level with the button in the scene. the second level opens, I can control the camera with the mouse, but the character does not play, does not move. What could be the solution?

Greetings

 

Please show the code that you are using.

 

im using this code for passing level2

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4. using UnityEngine.SceneManagement;
5. using UnityEngine.UI;
6.  
7.  
8.  
9. public class PassingNextandMain : MonoBehaviour
10. {
11.     public void nextlevel()
12.     {
13.         SceneManager.LoadScene("2");
14.     }

 

"but the character does not play, does not move" <--- THAT code

 

I'm not using a special code for the character, I'm using unity's fps controller. I'm sorry, but I don't fully understand the code you want. I'm very toy in unity