TypeError: Failed to fetch

[komagata]

View details in Rollbar: https://app.rollbar.com/a/komagata/fix/item/Bootcamp/1643

TypeError: Failed to fetch
  File "https://cdn.rollbar.com/rollbarjs/refs/tags/v2.23.0/rollbar.min.js", line 1, in [anonymous]
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in e.<anonymous>
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in f
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in Generator.<anonymous>
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in Generator.next
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in n
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in o
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in [anonymous]
  File "file:///C:/Users/komag/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/Markdown%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6HTML%E3%82%92%E6%9B%B8%E3%81%8F_files/application-8f7c6c9b8b4d137ce38a.js.%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89", line 2, in e.l