Doesn't build

[AndrewRayCode]

yarn build
yarn run v1.22.4
$ lerna run build --stream
lerna notice cli v3.22.1
lerna info Executing command in 2 packages: "yarn run build"
@lwce/apollo-client: $ tsc
@lwce/apollo-client: /bin/sh: tsc: command not found
@lwce/apollo-client: error Command failed with exit code 127.
@lwce/apollo-client: info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
lerna ERR! yarn run build exited 127 in '@lwce/apollo-client'
error Command failed with exit code 127.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.