Motivthema: loewe, leopard, panther, wolf, elefant

PANIC: template: pagehero.html:2:5: executing "pagehero" at <.Success>: nil pointer evaluating *pagedata.PageHero.Success goroutine 103015573 [running]: github.com/urfave/negroni.(*Recovery).ServeHTTP.func1(0x7f2eae7c30a0, 0xc000010008, 0xc000416190, 0xc0007f0200) /home/go/src/github.com/urfave/negroni/recovery.go:159 +0xce panic(0xbcb200, 0xc0003c24c0) /usr/lib/golang/src/runtime/panic.go:969 +0x1b9 gosites/handlers.(*PatternParam).ByTheme(0xc00040e6a0, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0300) /home/go/src/gosites/handlers/patterntheme.go:66 +0x706 github.com/dimfeld/httptreemux.(*ContextGroup).Handle.func1(0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200, 0xc000454120) /home/go/src/github.com/dimfeld/httptreemux/context.go:55 +0x17c github.com/dimfeld/httptreemux.(*TreeMux).ServeLookupResult(0xc0001ba460, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200, 0xc8, 0xc000032bd0, 0xc000454120, 0x0) /home/go/src/github.com/dimfeld/httptreemux/router.go:247 +0x178 github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc0001ba460, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200) /home/go/src/github.com/dimfeld/httptreemux/router.go:268 +0x16c github.com/urfave/negroni.Wrap.func1(0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200, 0xc000238120) /home/go/src/github.com/urfave/negroni/negroni.go:46 +0x4d github.com/urfave/negroni.HandlerFunc.ServeHTTP(0xc00040ea20, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200, 0xc000238120) /home/go/src/github.com/urfave/negroni/negroni.go:29 +0x4e github.com/urfave/negroni.middleware.ServeHTTP(0xd66c80, 0xc00040ea20, 0xc00040eb00, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c github.com/urfave/negroni.(*Logger).ServeHTTP(0xc0000de780, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200, 0xc000238100) /home/go/src/github.com/urfave/negroni/logger.go:66 +0x8e github.com/urfave/negroni.middleware.ServeHTTP(0xd65c20, 0xc0000de780, 0xc00040eae0, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c github.com/urfave/negroni.(*Recovery).ServeHTTP(0xc000416190, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200, 0xc0002380c0) /home/go/src/github.com/urfave/negroni/recovery.go:193 +0x8c github.com/urfave/negroni.middleware.ServeHTTP(0xd65c60, 0xc000416190, 0xc00040eac0, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0200) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c gosites/middleware.(*SessionManager).ProblemAlert(0xc000416000, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0100, 0xc0002380a0) /home/go/src/gosites/middleware/problemalert.go:73 +0x33f github.com/urfave/negroni.HandlerFunc.ServeHTTP(0xc000032280, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0100, 0xc0002380a0) /home/go/src/github.com/urfave/negroni/negroni.go:29 +0x4e github.com/urfave/negroni.middleware.ServeHTTP(0xd66c80, 0xc000032280, 0xc00040eaa0, 0x7f2eae7c30a0, 0xc000010008, 0xc0007f0100) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c gosites/middleware.(*SessionManager).Session(0xc000416000, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000, 0xc000382040) /home/go/src/gosites/middleware/sessionmanager.go:259 +0x969 github.com/urfave/negroni.HandlerFunc.ServeHTTP(0xc000032270, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000, 0xc000382040) /home/go/src/github.com/urfave/negroni/negroni.go:29 +0x4e github.com/urfave/negroni.middleware.ServeHTTP(0xd66c80, 0xc000032270, 0xc00040ea80, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c github.com/urfave/negroni.(*Static).ServeHTTP(0xc0000de750, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000, 0xc000382020) /home/go/src/github.com/urfave/negroni/static.go:53 +0x748 github.com/urfave/negroni.middleware.ServeHTTP(0xd65c80, 0xc0000de750, 0xc00040ea60, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c gosites/middleware.(*Instrumentation).ServeHTTP(0xc0000321e0, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000, 0xc000382000) /home/go/src/gosites/middleware/instrumentation.go:58 +0x88 github.com/urfave/negroni.middleware.ServeHTTP(0xd65ea0, 0xc0000321e0, 0xc00040ea40, 0x7f2eae7c30a0, 0xc000010008, 0xc000f92000) /home/go/src/github.com/urfave/negroni/negroni.go:38 +0x9c github.com/urfave/negroni.(*Negroni).ServeHTTP(0xc0000de4e0, 0xd726e0, 0xc00037f180, 0xc000f92000) /home/go/src/github.com/urfave/negroni/negroni.go:96 +0xeb net/http.serverHandler.ServeHTTP(0xc0001be000, 0xd726e0, 0xc00037f180, 0xc000f92000) /usr/lib/golang/src/net/http/server.go:2843 +0xa3 net/http.(*conn).serve(0xc0006c0f00, 0xd73e60, 0xc000c4cf00) /usr/lib/golang/src/net/http/server.go:1925 +0x8ad created by net/http.(*Server).Serve /usr/lib/golang/src/net/http/server.go:2969 +0x36c