Exception in rendering!

Message: Input data should be a String

Error: Input data should be a String
    at MarkdownIt.parse (webpack://@yc/bookface/./node_modules/markdown-it/lib/index.js?:518:11)
    at MarkdownIt.render (webpack://@yc/bookface/./node_modules/markdown-it/lib/index.js?:543:36)
    at TextMarkdownLinksInNewWindowComponent (webpack://@yc/bookface/./app/frontend/packs/server-bundle.ts_+_720_modules?:22610:15)
    at d (webpack://@yc/bookface/../node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:546:28)
    at Za (webpack://@yc/bookface/../node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:584:5)
    at b.render (webpack://@yc/bookface/../node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:718:11)
    at b.read (webpack://@yc/bookface/../node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:695:25)
    at Object.renderToString (webpack://@yc/bookface/../node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:982:18)
    at Object.serverRenderReactComponent [as default] (webpack://@yc/bookface/../node_modules/react-on-rails/node_package/lib/serverRenderReactComponent.js?:59:42)
    at Object.serverRenderReactComponent (webpack://@yc/bookface/../node_modules/react-on-rails/node_package/lib/ReactOnRails.js?:213:51)