crashes under Firefox Quantum 62.0 (64-bit) under OSX

[jmuxfeldt]

TypeError: Cannot read property 'access-denied' of undefined
at exports.restrict (/Users/fuo/.npm-global/lib/node_modules/express-admin/routes/auth.js:21:42)
at Layer.handle [as handle_request] (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/layer.js:95:5)
at next (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/route.js:137:13)
at Route.dispatch (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/route.js:112:3)
at Layer.handle [as handle_request] (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/layer.js:95:5)
at /Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:281:22
at Function.process_params (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:335:12)
at next (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:275:10)
at /Users/fuo/.npm-global/lib/node_modules/express-admin/app.js:249:9
at Layer.handle [as handle_request] (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/layer.js:95:5)
at trim_prefix (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:317:13)
at /Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:284:7
at Function.process_params (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:335:12)
at next (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/express/lib/router/index.js:275:10)
at SendStream.error (/Users/fuo/.npm-global/lib/node_modules/express-admin/node_modules/serve-static/index.js:121:7)
at emitOne (events.js:116:13)

Works on Safari and Chrome