Adafruit Feather M0 Express Build Error

[wallarug]

Console Output

building bundled libs/adafruit-feather-m0-express
Error: ENOENT: no such file or directory, open 'C:\Users\xxxxx\Documents\makecode-mar21\pxt-maker\libs\adafruit-feather-m0-express\targetconfig.json'

To Reproduce
Steps to reproduce the behavior:

1. run pxt serve

Expected behavior
No errors to be outputted at this stage, like all other boards.

**Desktop **

• OS: Windows 10 (latest build)
• Browser Google Chrome
• Version 89

[chnbrs]

Same here...

/pxt-maker/node_modules/@types/node/index.d.ts(35,1): error TS1084: Invalid 'reference' directive syntax.
/pxt-maker/node_modules/@types/node/index.d.ts(43,30): error TS1005: '=' expected.
/pxt-maker/node_modules/@types/node/index.d.ts(46,30): error TS1005: '=' expected.

these errors cause the problem for me...