When the user receives this error on initialize Could not find a valid tsserver version. Exiting. it is not clear what needs to be done to resolve the issue. They may not have any idea what "tsserver" is (and may be confused into thinking that tsserver is typescript language server). Judging from https://github.com/Microsoft/TypeScript/wiki/Standalone-Server-%28tsserver%29 this can usually be resolved by npm install -g typescript.