<!-- 🚨 STOP 🚨 𝗦𝗧𝗢𝗣 🚨 𝑺𝑻𝑶𝑷 🚨 Half of all issues filed here are duplicates, answered in the FAQ, or not appropriate for the bug tracker. Even if you think you've found a *bug*, please read the FAQ first, especially the Common "Bugs" That Aren't Bugs section! Please help us by doing the following steps before logging an issue: * Search: https://github.com/Microsoft/TypeScript/search?type=Issues * Read the FAQ: https://github.com/Microsoft/TypeScript/wiki/FAQ Please fill in the *entire* template below. --> <!-- Please try to reproduce the issue with `typescript@next`. It may have already been fixed. --> **TypeScript Version:** 3.0.0-dev.20180712 <!-- Search terms you tried before logging this (so others can find this issue more easily) --> **Search Terms:** **Code** ```ts TypeError: Cannot read property 'symbol' of undefined at getInfo (/usr/local/lib/node_modules/typescript/lib/tsserver.js:105474:44) at Object.getCodeActions (/usr/local/lib/node_modules/typescript/lib/tsserver.js:105371:28) at /usr/local/lib/node_modules/typescript/lib/tsserver.js:103819:121 at Object.flatMap (/usr/local/lib/node_modules/typescript/lib/tsserver.js:498:25) at Object.getFixes (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103819:23) at /usr/local/lib/node_modules/typescript/lib/tsserver.js:111665:35 at Object.flatMap (/usr/local/lib/node_modules/typescript/lib/tsserver.js:498:25) at Object.getCodeFixesAtPosition (/usr/local/lib/node_modules/typescript/lib/tsserver.js:111663:23) at IOSession.Session.getCodeFixes (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119225:64) at Session.handlers.ts.createMapFromTemplate._a.(anonymous function) (/usr/local/lib/node_modules/typescript/lib/tsserver.js:118099:61) at /usr/local/lib/node_modules/typescript/lib/tsserver.js:119389:88 at IOSession.Session.executeWithRequestId (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119380:28) at IOSession.Session.executeCommand (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119389:33) at IOSession.Session.onMessage (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119409:35) at Interface.<anonymous> (/usr/local/lib/node_modules/typescript/lib/tsserver.js:120676:27) ``` **Expected behavior:** **Actual behavior:** **Playground Link:** <!-- A link to a TypeScript Playground "Share" link which demonstrates this behavior --> **Related Issues:** <!-- Did you find other bugs that looked similar? --> tsserver log id: 3897983895