TypeError: Cannot convert undefined or null to object
    at Function.keys (<anonymous>)
    at Node.get (/app/src/engine40/serverSideEngine.js:136:40)
    at root.__proto__.hasAttribute (/app/src/engine40/serverSideEngine.js:148:33)
    at /app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:43960
    at Bn (/app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:46402)
    at Object.mapSegments (/app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:43880)
    at _t (/app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:27022)
    at Vr (/app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:107748)
    at /app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:115748
    at Kr (/app/dist/lib/crawl2/dist/sandboxEngine3.9.js:1:121376)