Error: Unexpected Mobiledoc version "undefined" at validateVersion (/root/rankerxmobiledoc/node_modules/mobiledoc-dom-renderer/dist/commonjs/mobiledoc-dom-renderer/renderers/0-2.js:30:11) at new Renderer (/root/rankerxmobiledoc/node_modules/mobiledoc-dom-renderer/dist/commonjs/mobiledoc-dom-renderer/renderers/0-2.js:49:5) at RendererFactory.render (/root/rankerxmobiledoc/node_modules/mobiledoc-dom-renderer/dist/commonjs/mobiledoc-dom-renderer/renderer-factory.js:105:18) at MobiledocHtmlRenderer.render (/root/rankerxmobiledoc/node_modules/@tryghost/kg-mobiledoc-html-renderer/lib/mobiledoc-html-renderer.js:108:35) at /root/rankerxmobiledoc/index.js:67:43 at Layer.handle [as handle_request] (/root/rankerxmobiledoc/node_modules/express/lib/router/layer.js:95:5) at next (/root/rankerxmobiledoc/node_modules/express/lib/router/route.js:144:13) at Route.dispatch (/root/rankerxmobiledoc/node_modules/express/lib/router/route.js:114:3) at Layer.handle [as handle_request] (/root/rankerxmobiledoc/node_modules/express/lib/router/layer.js:95:5) at /root/rankerxmobiledoc/node_modules/express/lib/router/index.js:284:15