ERR : Key "github.com/gin-contrib/sessions" does not exist

[zhuangyuantao]

ERR
Key "github.com/gin-contrib/sessions" does not exist
E:/work/project/pkg/mod/github.com/gin-gonic/[email protected]/context.go:272 (0xdf5798)
(*Context).MustGet: panic("Key "" + key + "" does not exist")
E:/work/project/pkg/mod/github.com/gin-contrib/[email protected]/sessions.go:146 (0xdf5718)
Default: return c.MustGet(DefaultKey).(Session)
E:/work/learn/gin_study/controller/sessionController.go:11 (0xdf5c8f)
SetSession: session := sessions.Default(c)
E:/work/learn/gin_study/controller/loginController.go:32 (0xdf5aa4)
LoginController.Login: SetSession(c)
E:/work/project/pkg/mod/github.com/gin-gonic/[email protected]/context.go:173 (0xdeb761)
(*Context).Next: c.handlersc.index
E:/work/project/pkg/mod/github.com/gin-gonic/[email protected]/recovery.go:101 (0xdeb74c)
CustomRecoveryWithWriter.func1: c.Next()
E:/work/project/pkg/mod/github.com/gin-gonic/[email protected]/context.go:173 (0xdea846)
(*Context).Next: c.handlersc.index
E:/work/project/pkg/mod/github.com/gin-gonic/[email protected]/logger.go:240 (0xdea829)
LoggerWithConfig.func1: c.Next()
C:/Program Files/Go/src/net/http/server.go:1966 (0xc53d36)
(*conn).serve: serverHandler{c.server}.ServeHTTP(w, w.req)
C:/Program Files/Go/src/runtime/asm_amd64.s:1571 (0xaa3aa0)
goexit: BYTE $0x90 // NOP

[boahost]

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