500 Internal Server Error

Installing the inferred bundler version (= 2.2.10) failed.
If you'd like to update to the current bundler version (1.14.6) in this project, run `bundle update --bundler`.
The error was: No such file or directory - /.gem/ruby/1.9/cache/bundler-2.2.10.gem (SystemExit)

/usr/local/tdiary/misc/lib/bundler-1.14.6/lib/bundler/postit_trampoline.rb:37:in `abort'
/usr/local/tdiary/misc/lib/bundler-1.14.6/lib/bundler/postit_trampoline.rb:37:in `rescue in <top (required)>'
/usr/local/tdiary/misc/lib/bundler-1.14.6/lib/bundler/postit_trampoline.rb:26:in `<top (required)>'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/tdiary/misc/lib/bundler-1.14.6/lib/bundler/setup.rb:2:in `<top (required)>'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/tdiary/lib/tdiary/environment.rb:8:in `<top (required)>'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/tdiary/lib/tdiary.rb:25:in `<top (required)>'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/tdiary/index.rb:18:in `<top (required)>'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in `require'
/home/hs/public_html/soft/index.cgi:2:in `<main>'