TypeError: Failed to fetch

[komagata]

View details in Rollbar: https://app.rollbar.com/a/komagata/fix/item/Bootcamp/1663

TypeError: Failed to fetch
  File "https://cdn.rollbar.com/rollbarjs/refs/tags/v2.23.0/rollbar.min.js", line 1, in [anonymous]
  File "file:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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:///Users/komagata/Downloads/%E8%A7%A3%E7%AD%94%E4%BE%8B/ActiveStorage%20%E3%81%A7%E7%94%BB%E5%83%8F%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B_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