error 2

Author: rohnugu

Gemfile

@@ -13,4 +13,5 @@ group :jekyll_plugins do
   gem "jekyll-redirect-from"
   gem "jekyll-feed"
   gem "jekyll-last-modified-at"
+  gem 'jekyll_flexible_include', '~> 2.0', '>= 2.0.25'
 end

_config.yaml

@@ -50,6 +50,7 @@ plugins:
   - jekyll-redirect-from
   - jekyll-feed
   - jekyll-last-modified-at
+  - flexible_include
 
 # code block syntax highlighting
 highlighter: rouge

professor/index.md

@@ -5,4 +5,4 @@ nav:
   tooltip: About Prof. Heejun Roh
 ---
 
-{% include /hjroh.html %}
+{% flexible_include file="path" hjroh.html %}