Got error when create menu inside content folder

[zgunz]

when i create menu inside _default.md i got error like this
unable to cast []interface {}{map[string]interface {}
but it work well if place menu inside of config file

[regis]

_default.md

Are talking about archetypes’ default.md

[zgunz]

@regis

default.md

not archetypes default.md but content/_index.md, sorry!