Trying to upload to Mechabot Rush gives an error even though the port and settings are correct. The program is correct as well as it upload normally when using the Arduino IDE.
OK This means that the core cli platform is not install. Usually this install during installation of Tinkercode, but there must be something wrong with the installation. Did you install using Package installer or Online Agent installer
This shows that the core files in C:\User\{username}\AppData\Arduino15 is corrupted. What you can do is delete the folder then run installation of the core again by running C:\Program Files (x86)\Tinkercode\cli_core_update.exe