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Panther Knowledge Base

How do I resolve “NetworkError when attempting to fetch resource” in the Panther Console?


I am able to log into the Panther Console, but one or more pages fail to display. Instead, I get the following error message:

NetworkError when attempting to fetch resource

How can I resolve this?


Perform the following troubleshooting steps:

  1. Refresh the session of your browser.
  2. Clear the cache of the browser and the cookies.
  3. Load the session in a different browser (e.g. Brave might be blocking Panther).
  4. Check if there is a firewall or a security solution in place that might be blocking Panther (e.g., Cisco Umbrella, tracking sites for diagnostics, etc).
  5. Try re-opening the Panther Console in a private or incognito browser tab.
    • Sometimes we see this behavior when certain API endpoints are being blocked by a browser extension or a custom DNS server, like PiHole or DNSBL.


If none of the above actions helps in resolving the issue, follow these steps:

  1. Capture screenshots from your Panther Console showing the error message.
  2. Click the gear icon on the upper right corner of the Panther Console then select Users. Take a screenshot of the row that depicts the user who is experiencing the issue.
  3. Click the gear icon then click User Roles and capture a screenshot of the roles the affected user has.
  4. Submit a ticket to Panther Support, and we will assist with troubleshooting.