### Godot version

4.0.2

### System information

Windows 10

### Issue description

EDIT: this was fixed by removing the offending files listed with the MRP and then dragging them back in from my desktop after opening the project~

I was developing my game then suddenly this started happening. I can no longer playtest my game.
I am not 100% sure what caused this but I believe at the time I was making a new inherited scene, saved it, then moved some scenes in the FileSystem tab?

![image](https://user-images.githubusercontent.com/75141902/235264827-62419c7d-963b-4002-9452-a6493a9bfe25.png)


### Steps to reproduce

No idea aaa- x-x

### Minimal reproduction project

Since I have no idea what caused it here's my early project :'D
https://drive.google.com/file/d/14JFZ420AelUNjBIth78msHY29rNjB55_/view?usp=share_link

I was working on these when the error occurred:
- Slot_0.tcsn
- Slot_Clickable.tscn
- Slot_Orphan.tscn
- Slot_Orphan.gd

} else {
						head->annotations.push_back(annotation);
					}
				} else {
					annotation_stack.push_back(annotation);
					
					
					
					can_have_class_or_extends = false;
					break;
				}
			}
		} else if (check(GDScriptTokenizer::Token::LITERAL) && current.literal.get_type() == Variant::STRING) {
			
			advance();
			if (!match(GDScriptTokenizer::Token::NEWLINE)) {
				push_error("Expected newline after comment string.");
			}
		} else {
			break;
		}
	}
	while (can_have_class_or_extends) {
		
		switch (current.type) {
			case GDScriptTokenizer::Token::CLASS_NAME:
				advance();
				if (head->identifier != nullptr) {
					push_error(R"("class_name" can only be used once.)");
				} else {