caught error Cannot read property 'toLowerCase' of undefined TypeError: Cannot read property 'toLowerCase' of undefined at slugify (/var/task/dist/prerender-react.js:847:12) at playlistToPath (/var/task/dist/prerender-react.js:851:40) at SingleVideo (/var/task/dist/prerender-react.js:1884:53) at processChild (/var/task/node_modules/react-dom/cjs/react-dom-server.node.development.js:2126:14) at resolve (/var/task/node_modules/react-dom/cjs/react-dom-server.node.development.js:2052:5) at ReactDOMServerRenderer.render (/var/task/node_modules/react-dom/cjs/react-dom-server.node.development.js:2337:22) at ReactDOMServerRenderer.read (/var/task/node_modules/react-dom/cjs/react-dom-server.node.development.js:2311:19) at renderToString (/var/task/node_modules/react-dom/cjs/react-dom-server.node.development.js:2683:25) at prerender (/var/task/dist/prerender-react.js:3374:38) at _callee$ (/var/task/dist/prerender-react.js:3327:62)