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Please change to: import Panel from 'react-bootstrap/lib/Panel'. When importing from react-bootstrap you need to import the component from ... Home Public Questions Tags Users Collectives ExploreCollectives FindaJob Jobs Companies Teams StackOverflowforTeams –Collaborateandshareknowledgewithaprivategroup. CreateafreeTeam WhatisTeams? Teams CreatefreeTeam CollectivesonStackOverflow Findcentralized,trustedcontentandcollaboratearoundthetechnologiesyouusemost. Learnmore Teams Q&Aforwork Connectandshareknowledgewithinasinglelocationthatisstructuredandeasytosearch. Learnmore react-bootstrapandPanel.Body AskQuestion Asked 4years,1monthago Modified 2years,10monthsago Viewed 9ktimes 6 1 I'mnewtoReact,somaybeI'mmissingsomethinghere,butIwanttousethePanelcomponentfromreact-bootstrap.I'mfollowingthedocumentation,butgettingthefollowingbehavior. Thiscodeworks: import{Panel}from'react-bootstrap'; (...) return(#Thisisinsidemycomponent'srender() Foo ) Thiscodedoesn'twork: import{Panel}from'react-bootstrap'; (...) return(#Thisisinsidemycomponent'srender() Foo ) Theerrorsays:UncaughtError:Elementtypeisinvalid:expectedastring(forbuilt-incomponents)oraclass/function(forcompositecomponents)butgot:undefined.Youlikelyforgottoexportyourcomponentfromthefileit'sdefinedin.Checktherendermethodof(ComponentName). WhatamIdoingwrong?Manythanks! react15.6.2, react-bootstrap0.31.5 reactjsreact-bootstrap Share Follow askedJan18,2018at11:04 petrpetr 9791010silverbadges2323bronzebadges 1 2 Panel#removed,replacedwithCardcomponentsreact-bootstrap.netlify.com/migrating/#panel – BassamHajar Apr24,2019at6:08 Addacomment  |  2Answers 2 Active Oldest Votes 11 Pleasechangeto: importPanelfrom'react-bootstrap/lib/Panel' Whenimportingfromreact-bootstrapyouneedtoimportthecomponentfromthelibfolder. Share Follow answeredJan18,2018at11:11 NirBen-YairNirBen-Yair 1,45622goldbadges1212silverbadges1616bronzebadges 3 @petritneedstowork.takealookat:codesandbox.io/s/1y347ozjl7 – NirBen-Yair Jan18,2018at12:38 2 Thankyouverymuchforclarification.Itwasintheparticularversionofreact-bootstrap,wewereusing0.31.5andyouused0.32,sothatdirectedmetothecauseoftheproblem.Apparentlyreact-bootstrap'sAPIwaschangedbetweentheversions.Thankyou! – petr Jan18,2018at13:24 Anywaytodebugthis?I’musingv0.32.4andstillrunningintothisissue.Ican’treallyfigureoutwhyit’shappening.I’vetriedimportingthecomponentasmentionedintheanswer.Wonderingifmaybethere’ssomeinteropissuewithanotherlibraryI’musing.AnyhelpwouldbeappreciatedasIcan’treallyfindalotofresourcesonitandI’mnotquitereadytoopenanissueonthegithubproject.Thanks! – dst3p Dec21,2018at23:44 Addacomment  |  1 Iwasgettingthesameproblemupdatedmyreact-bootstrapversionfrom'0.30.7'to'0.32.4'. 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