I have a next.js app and on "npm run build" i get the following error

> Build error occurred
/var/www/directoryname/node_modules/jsdom/lib/jsdom/browser/parser/html.js:170
    after._pushedOnStackOfOpenElements?.();

SyntaxError: Unexpected token '.'

node version: v12.22.5 next.js version: v12.1.6

Many thanks for your help.

CodePudding user response：

You are using optional chaining syntax which is not supported on Node 12. Upgrade to at least Node 14 to get the syntactical support.