How to Solve The Referenced Script on this Behaviour is Mssing Problem in Unity

You have this in the Console :

The "The referenced script on this Behaviour is missing!" error in Unity typically occurs when a GameObject in your scene has a reference to a script that no longer exists or has been removed from your project. To resolve this issue, follow these steps:

1- Identify the Affected GameObject:

In the Unity Editor, locate the GameObject that is displaying the error in the Hierarchy panel.

2- Check the Missing Script:

In the Inspector panel for the GameObject, you will see a component that has a missing script reference. It will appear as "Missing (Script)" or something similar.

3- Remove the Missing Script:

Click the gear icon (settings icon) in the top-right corner of the component box with the missing script reference.
In the dropdown menu, click "Remove Component" to remove the missing script reference.

4- Reattach the Correct Script:

After removing the missing script reference, you need to reattach the correct script to the GameObject.
Click the "Add Component" button in the Inspector panel.
Search for and select the correct script from the list. Make sure it's the script that was originally attached to the GameObject.

5- Save Your Scene and Project:

Save your scene to ensure that the changes are saved.
Additionally, save your entire Unity project.

6- Compile Your Scripts:

Make sure that your scripts are free of compilation errors. Check the Unity Console panel for any error messages related to your scripts. If there are errors, fix them and recompile the scripts.

7- Check Script File Name:

Ensure that the script file's name matches the class name within the script. The script's filename should be exactly the same as the class name.

8- Verify Script Location:

Double-check that the script is located in the correct folder within your project's Assets directory.

9- Clear Cache (Optional):

In some cases, clearing Unity's cache can help resolve issues. You can do this by going to "Edit" -> "Preferences" -> "Cache Server" and clicking the "Clear Cache" button.

10- Restart Unity:

If the issue persists, try closing and reopening Unity. Sometimes, a fresh start can resolve certain issues.

By following these steps, you should be able to resolve the "The referenced script on this Behaviour is missing!" error in Unity and ensure that the correct script is attached to your GameObject.