Reproduce by clicking the "Add action" a warning (and probably the error shown in the log below as well).
$ ./bin/run_dev
+ docker run -v /home/tirithen/Programmering/organize.zetk.in/static:/var/app/static -v /home/tirithen/Programmering/organize.zetk.in/bin:/var/app/bin -v /home/tirithen/Programmering/organize.zetk.in/locale:/var/app/locale -v /home/tirith
en/Programmering/organize.zetk.in/src:/var/app/src --name organize_zetk_in --env TOKEN_SECRET=012345678901234567891234 --env ZETKIN_LOGIN_URL=http://login.dev.zetkin.org --env ZETKIN_APP_ID=2dab3ce079234744aeb4b6cc38abdd00 --env ZETKIN_AP
P_KEY=OGJlNTQyOTktMzBjNy00MzllLWIwNDgtM2RjYTA3MjZlZTIz --env ZETKIN_DOMAIN=dev.zetkin.org --env TOKEN_SECRET=012345678901234567890123 --env ZETKIN_USE_TLS=0 -p 80:80 -p 81:81 -t -i --rm organize_zetk_in
*** Running /etc/my_init.d/00_regen_ssh_host_keys.sh...
*** Running /etc/my_init.d/10_syslog-ng.init...
Sep 13 09:31:11 56eafcab139e syslog-ng[15]: syslog-ng starting up; version='3.13.2'
*** Booting runit daemon...
*** Runit started as PID 24
Sep 13 09:31:12 56eafcab139e cron[28]: (CRON) INFO (pidfile fd = 3)
Sep 13 09:31:12 56eafcab139e cron[28]: (CRON) INFO (Running @reboot jobs)
[node] [nodemon] 1.19.4
[node] [nodemon] to restart at any time, enter `rs`
[node] [nodemon] watching dir(s): build/**/*
[node] [nodemon] watching extensions: (all)
[node] [nodemon] starting `node ./build/app/server/main.js`
[gulp] [09:31:13] Using gulpfile /var/app/gulpfile.js
[gulp] [09:31:13] Starting 'watch'...
[webpack] Project is running at http://organize.dev.zetkin.org:81/
[webpack] webpack output is served from http://organize.dev.zetkin.org:81/static/
[gulp] [09:31:13] Finished 'watch' after 138 ms
[webpack] (node:47) DeprecationWarning: loaderUtils.parseQuery() received a non-string value which can be problematic, see https://github.com/webpack/loader-utils/issues/56
[webpack] parseQuery() will be replaced with getOptions() in the next major version of loader-utils.
[node] Warning: Accessing PropTypes via the main React package is deprecated, and will be removed in React v16.0. Use the latest available v15.* prop-types package from npm instead. For info on usage, compatibility, migration and more, s
ee https://fb.me/prop-types-docs
[node] Listening on http://:::80
[webpack] [BABEL] Note: The code generator has deoptimised the styling of "/var/app/node_modules/react-rte/dist/react-rte.js" as it exceeds the max of "500KB".
[webpack] Time: 71872ms
[webpack] chunk {0} main.js (main) 8.56 MB [entry] [rendered]
[webpack] Child worker:
[webpack] chunk {0} 379356cc0a6fea04525d.worker.js (main) 427 kB [entry] [rendered]
[webpack] webpack: Compiled successfully.
[node] Sun, 13 Sep 2020 09:35:05 GMT express deprecated req.host: Use req.hostname instead at build/app/server/app.js:127:31
Sep 13 10:17:01 56eafcab139e CRON[89]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
[gulp] [10:22:53] Starting 'cleanSass'...
[gulp] [10:22:54] Finished 'cleanSass' after 50 ms
[gulp] [10:22:54] Starting 'buildSass'...
[gulp] [10:22:54] Finished 'buildSass' after 521 ms
[node] Warning: Failed prop type: Invalid prop `initialValue` of type `number` supplied to `RelSelectInput`, expected `string`.
[node] in RelSelectInput (created by InjectIntl(RelSelectInput))
[node] in InjectIntl(RelSelectInput) (created by ActionForm)
[node] in li (created by Form)
[node] in ul (created by Form)
[node] in form (created by Form)
[node] in Form (created by ActionForm)
[node] in ActionForm (created by AddActionPane)
[node] in div (created by AddActionPane)
[node] in div (created by AddActionPane)
[node] in AddActionPane (created by InjectIntl(AddActionPane))
[node] in InjectIntl(AddActionPane) (created by Connect(InjectIntl(AddActionPane)))
[node] in Connect(InjectIntl(AddActionPane)) (created by Section)
[node] in div (created by Section)
[node] in div (created by Section)
[node] in Section (created by InjectIntl(Section))
[node] in InjectIntl(Section) (created by App)
[node] in div (created by App)
[node] in div (created by App)
[node] in body (created by App)
[node] in html (created by App)
[node] in App (created by DragDropContext(App))
[node] in DragDropContext(App) (created by Connect(DragDropContext(App)))
[node] in Connect(DragDropContext(App))
[node] in IntlProvider (created by IntlReduxProvider)
[node] in Provider (created by IntlReduxProvider)
[node] in IntlReduxProvider (created by Connect(IntlReduxProvider))
[node] in Connect(IntlReduxProvider)
[node] TypeError: Cannot read property 'length' of undefined
[node] at AllActionsPane.renderPaneContent (/var/app/build/app/components/sections/campaign/AllActionsPane.js:144:37)
[node] at AllActionsPane.render (/var/app/build/app/components/sections/RootPaneBase.js:157:22)
[node] at /var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:793:21
[node] at measureLifeCyclePerf (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:73:12)
[node] at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:792:25)
[node] at ReactCompositeComponentWrapper._renderValidatedComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:819:32)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:359:30)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at /var/app/node_modules/react-dom/lib/ReactServerRendering.js:43:36
[node] at ReactServerRenderingTransaction.perform (/var/app/node_modules/react-dom/lib/Transaction.js:141:20)
[node] at renderToStringImpl (/var/app/node_modules/react-dom/lib/ReactServerRendering.js:41:24)
[node] at Object.renderToString (/var/app/node_modules/react-dom/lib/ReactServerRendering.js:71:10)
[node] at renderReactPage (/var/app/build/app/server/app.js:236:37)
[node] at /var/app/build/app/server/app.js:210:9
[node] at Layer.handle [as handle_request] (/var/app/node_modules/express/lib/router/layer.js:95:5)
[node] at trim_prefix (/var/app/node_modules/express/lib/router/index.js:317:13)
[node] at /var/app/node_modules/express/lib/router/index.js:284:7
[node] at Function.process_params (/var/app/node_modules/express/lib/router/index.js:335:12)
[node] at next (/var/app/node_modules/express/lib/router/index.js:275:10)
[node] at next (/var/app/node_modules/express/lib/router/route.js:127:14)
[node] at app.get (/var/app/build/app/server/app.js:195:13)
[node] at Layer.handle [as handle_request] (/var/app/node_modules/express/lib/router/layer.js:95:5)
[node] at next (/var/app/node_modules/express/lib/router/route.js:137:13)
[node] at Route.dispatch (/var/app/node_modules/express/lib/router/route.js:112:3)
[node] at Layer.handle [as handle_request] (/var/app/node_modules/express/lib/router/layer.js:95:5)
[node] at /var/app/node_modules/express/lib/router/index.js:281:22
[node] at param (/var/app/node_modules/express/lib/router/index.js:354:14)
[node] at param (/var/app/node_modules/express/lib/router/index.js:365:14)
[node] at Function.process_params (/var/app/node_modules/express/lib/router/index.js:410:3)
[node] at Immediate.next (/var/app/node_modules/express/lib/router/index.js:275:10)
[node] at Immediate._onImmediate (/var/app/node_modules/express/lib/router/index.js:635:15)
[node] at runCallback (timers.js:706:11)
[node] at tryOnImmediate (timers.js:676:5)
[node] at processImmediate (timers.js:658:5)
[node] at process.topLevelDomainCallback (domain.js:126:23)
[node] TypeError: Cannot read property 'length' of undefined
[node] at AllActionsPane.renderPaneContent (/var/app/build/app/components/sections/campaign/AllActionsPane.js:144:37)
[node] at AllActionsPane.render (/var/app/build/app/components/sections/RootPaneBase.js:157:22)
[node] at /var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:793:21
[node] at measureLifeCyclePerf (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:73:12)
[node] at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:792:25)
[node] at ReactCompositeComponentWrapper._renderValidatedComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:819:32)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:359:30)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactDOMComponent.mountChildren (/var/app/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
[node] at ReactDOMComponent._createContentMarkup (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:657:32)
[node] at ReactDOMComponent.mountComponent (/var/app/node_modules/react-dom/lib/ReactDOMComponent.js:524:29)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at ReactCompositeComponentWrapper.performInitialMount (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:368:34)
[node] at ReactCompositeComponentWrapper.mountComponent (/var/app/node_modules/react-dom/lib/ReactCompositeComponent.js:255:21)
[node] at Object.mountComponent (/var/app/node_modules/react-dom/lib/ReactReconciler.js:43:35)
[node] at /var/app/node_modules/react-dom/lib/ReactServerRendering.js:43:36
[node] at ReactServerRenderingTransaction.perform (/var/app/node_modules/react-dom/lib/Transaction.js:141:20)
[node] at renderToStringImpl (/var/app/node_modules/react-dom/lib/ReactServerRendering.js:41:24)
[node] at Object.renderToString (/var/app/node_modules/react-dom/lib/ReactServerRendering.js:71:10)
[node] at renderReactPage (/var/app/build/app/server/app.js:236:37)
[node] at /var/app/build/app/server/app.js:210:9
[node] at Layer.handle [as handle_request] (/var/app/node_modules/express/lib/router/layer.js:95:5)
[node] at trim_prefix (/var/app/node_modules/express/lib/router/index.js:317:13)
[node] at /var/app/node_modules/express/lib/router/index.js:284:7
[node] at Function.process_params (/var/app/node_modules/express/lib/router/index.js:335:12)
[node] at next (/var/app/node_modules/express/lib/router/index.js:275:10)
[node] at next (/var/app/node_modules/express/lib/router/route.js:127:14)
[node] at app.get (/var/app/build/app/server/app.js:195:13)
[node] at Layer.handle [as handle_request] (/var/app/node_modules/express/lib/router/layer.js:95:5)
[node] at next (/var/app/node_modules/express/lib/router/route.js:137:13)
[node] at Route.dispatch (/var/app/node_modules/express/lib/router/route.js:112:3)
[node] at Layer.handle [as handle_request] (/var/app/node_modules/express/lib/router/layer.js:95:5)
[node] at /var/app/node_modules/express/lib/router/index.js:281:22
[node] at param (/var/app/node_modules/express/lib/router/index.js:354:14)
[node] at param (/var/app/node_modules/express/lib/router/index.js:365:14)
[node] at Function.process_params (/var/app/node_modules/express/lib/router/index.js:410:3)
[node] at Immediate.next (/var/app/node_modules/express/lib/router/index.js:275:10)
[node] at Immediate._onImmediate (/var/app/node_modules/express/lib/router/index.js:635:15)
[node] at runCallback (timers.js:706:11)
[node] at tryOnImmediate (timers.js:676:5)
[node] at processImmediate (timers.js:658:5)
Reproduce by clicking the "Add action" a warning (and probably the error shown in the log below as well).