Could not find one of the manifest files ‘package.json’

Hello, good morning. I am having problems trying to compile the Marlin 2.0 Firmware to my Tronxy X1 printer. Visual Studio says: Error: Could not find one of the manifest files ‘package.json’ in the package. I searched the internet for a solution, but couldn’t find anything about it. I uninstalled VS Code and extensions, no good results either. The problem remains. I appreciate your help.

Very weird. Please remove the entire C:\Useres\uliom\.platformio folder and restart VSCode, let PlatformIO reinstall itself, then retry.