แล้วกัน, โลโก้ คืออะไร?

แล้วกัน, โลโก้ คืออะไร?
Error
PayloadTooLargeError: request entity too large
   at readStream (/root/rankerxmobiledoc/node_modules/raw-body/index.js:163:17)
   at getRawBody (/root/rankerxmobiledoc/node_modules/raw-body/index.js:116:12)
   at read (/root/rankerxmobiledoc/node_modules/body-parser/lib/read.js:79:3)
   at textParser (/root/rankerxmobiledoc/node_modules/body-parser/lib/types/text.js:86:5)
   at Layer.handle [as handle_request] (/root/rankerxmobiledoc/node_modules/express/lib/router/layer.js:95:5)
   at trim_prefix (/root/rankerxmobiledoc/node_modules/express/lib/router/index.js:328:13)
   at /root/rankerxmobiledoc/node_modules/express/lib/router/index.js:286:9
   at Function.process_params (/root/rankerxmobiledoc/node_modules/express/lib/router/index.js:346:12)
   at next (/root/rankerxmobiledoc/node_modules/express/lib/router/index.js:280:10)
   at expressInit (/root/rankerxmobiledoc/node_modules/express/lib/middleware/init.js:40:5)