getting errors related to parcel

[mamta-vyas]

why i am getting the following errors in my vscode terminal of a react project
when i did npm start in terminal
"libc++abi: terminating with uncaught exception of type std::__1::system_error: mutex lock failed: Invalid argument
zsh: abort "

and when i did npx parcel index.html then i got these many problems..
"libc++abi: terminating with uncaught exception of type std::__1::system_error: mutex lock failed: Invalid argument
zsh: abort"

and when i did npm run start then i got these many problems

"Error: Got unexpected undefined
at nullthrows (/Users/swativyas/Desktop/FoodApp/node_modules/nullthrows/nullthrows.js:7:15)
at RequestGraph.invalidateOptionNodes (/Users/swativyas/Desktop/FoodApp/node_modules/@parcel/core/lib/RequestTracker.js:248:44)
at loadRequestGraph (/Users/swativyas/Desktop/FoodApp/node_modules/@parcel/core/lib/RequestTracker.js:872:18)
at async RequestTracker.init (/Users/swativyas/Desktop/FoodApp/node_modules/@parcel/core/lib/RequestTracker.js:822:17)
at async Parcel._init (/Users/swativyas/Desktop/FoodApp/node_modules/@parcel/core/lib/Parcel.js:188:28)
at async Parcel.watch (/Users/swativyas/Desktop/FoodApp/node_modules/@parcel/core/lib/Parcel.js:260:7)
at async run (/Users/swativyas/Desktop/FoodApp/node_modules/parcel/lib/cli.js:283:9) {
framesToPop: 1
}"

[elahi-arman]

👋🏽 ran into this. uninstalling and then reinstalling Parcel worked for me