ReferenceError: header_footer_ui is not defined
   at /home/ubuntu/server/index.js:404:6
   at Layer.handle [as handle_request] (/home/ubuntu/server/node_modules/express/lib/router/layer.js:95:5)
   at next (/home/ubuntu/server/node_modules/express/lib/router/route.js:137:13)
   at Route.dispatch (/home/ubuntu/server/node_modules/express/lib/router/route.js:112:3)
   at Layer.handle [as handle_request] (/home/ubuntu/server/node_modules/express/lib/router/layer.js:95:5)
   at /home/ubuntu/server/node_modules/express/lib/router/index.js:281:22
   at Function.process_params (/home/ubuntu/server/node_modules/express/lib/router/index.js:335:12)
   at next (/home/ubuntu/server/node_modules/express/lib/router/index.js:275:10)
   at make_breadcrumb_data (/home/ubuntu/server/index.js:88:5)
   at Layer.handle [as handle_request] (/home/ubuntu/server/node_modules/express/lib/router/layer.js:95:5)