Fix FileSystemException

✅ Solution

FileSystemException in Flutter usually arises from attempting to access or modify a file that is either locked by another process or doesn't exist at the specified path. To fix this, ensure no other application (including your own code) is currently writing to or reading from the file simultaneously and double-check that the file path is correct and the file exists. If concurrent access is needed, consider using file locking mechanisms or queuing operations to avoid conflicts.