To be fixed: ERROR when there is no post #4
Description
When there is no post in the content/posts directory, starting hugo server will receive the following error report:
Started building sites ...
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/categories.html:2:15: executing "theme/partials/widgets/categories.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/categories.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tags.html:2:15: executing "theme/partials/widgets/tags.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tags.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tag_cloud.html:2:15: executing "theme/partials/widgets/tag_cloud.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tag_cloud.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/categories.html:2:15: executing "theme/partials/widgets/categories.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/categories.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tags.html:2:15: executing "theme/partials/widgets/tags.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tags.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tag_cloud.html:2:15: executing "theme/partials/widgets/tag_cloud.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tag_cloud.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/categories.html:2:15: executing "theme/partials/widgets/categories.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/categories.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tags.html:2:15: executing "theme/partials/widgets/tags.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tags.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tag_cloud.html:2:15: executing "theme/partials/widgets/tag_cloud.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tag_cloud.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/profile.html:20:11: executing "theme/partials/profile.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/profile.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/categories.html:2:15: executing "theme/partials/widgets/categories.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/categories.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tags.html:2:15: executing "theme/partials/widgets/tags.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tags.html
ERROR: 2016/12/09 11:21:00 template.go:132: template: theme/partials/widgets/tag_cloud.html:2:15: executing "theme/partials/widgets/tag_cloud.html" at <len .Site.Taxonomies...>: error calling len: len of untyped nil in theme/partials/widgets/tag_cloud.html
It is not friendly for the freshman.