Error on Yarn dev

[BenP1236691]

root@vultr:~/linux-odyssey# yarn dev
yarn run v1.22.22
$ concurrently -n "App,Server" -c "bgBlue.bold,bgGreen.bold" "yarn workspace app dev" "yarn workspace server dev"
/root/linux-odyssey/node_modules/concurrently/dist/src/command.js:78
exitCode: exitCode ?? String(signal),
^

SyntaxError: Unexpected token '?'
at wrapSafe (internal/modules/cjs/loader.js:915:16)
at Module._compile (internal/modules/cjs/loader.js:963:27)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
at Module.load (internal/modules/cjs/loader.js:863:32)
at Function.Module._load (internal/modules/cjs/loader.js:708:14)
at Module.require (internal/modules/cjs/loader.js:887:19)
at require (internal/modules/cjs/helpers.js:85:18)
at Object. (/root/linux-odyssey/node_modules/concurrently/dist/src/index.js:4:19)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.