404 when searching for assets

When a client is attempting to update an image used inside a webapp they are receiving a 'Something went wrong' message when searching for a new asset.
Steps to replicate:

• Load webapp
• select Custom fields
• Click 'select image' on any field
• Type inside search field
• Fail
  This bug can be found on the following link:
  https://admin.siteglide.com/#/site/652008/webapps/10/177590
  Browser:
• Mac - Google Chrome Version 87.0.4280.88 (Official Build) (x86_64)