error

./mattermost team create --name myteamname --display_name “my team”
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1b362ea]

goroutine 1 [running]:
github.com/mattermost/mattermost-server/app.(*App).Config(...)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/app/config.go:31
github.com/mattermost/mattermost-server/cmd/mattermost/commands.InitDBCommandContextCobra(0x2c2e9c0, 0x14e6f17, 0xc0002852c0, 0xc000227240)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/cmd/mattermost/commands/init.go:20 +0xea
github.com/mattermost/mattermost-server/cmd/mattermost/commands.createTeamCmdF(0x2c2e9c0, 0xc00027e2d0, 0x1, 0x5, 0x0, 0x0)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/cmd/mattermost/commands/team.go:81 +0x4b
github.com/mattermost/mattermost-server/vendor/github.com/spf13/cobra.(*Command).execute(0x2c2e9c0, 0xc00027e280, 0x5, 0x5, 0x2c2e9c0, 0xc00027e280)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/vendor/github.com/spf13/cobra/command.go:762 +0x473
github.com/mattermost/mattermost-server/vendor/github.com/spf13/cobra.(*Command).ExecuteC(0x2c2e040, 0x1d81ce0, 0x200, 0x64)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/vendor/github.com/spf13/cobra/command.go:852 +0x2fd
github.com/mattermost/mattermost-server/vendor/github.com/spf13/cobra.(*Command).Execute(0x2c2e040, 0x1007540, 0xc0000b2058)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/vendor/github.com/spf13/cobra/command.go:800 +0x2b
github.com/mattermost/mattermost-server/cmd/mattermost/commands.Run(0xc0000d0010, 0x7, 0x7, 0xc000107f88, 0xc0000b2058)
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/cmd/mattermost/commands/root.go:14 +0x65
main.main()
    /Users/wasimthabraze/go/src/github.com/mattermost/mattermost-server/cmd/mattermost/main.go:30 +0x62