Browser Console Errors

Common errors and solutions:

“CORS policy: No ‘Access-Control-Allow-Origin’ header”

• Tunarr needs CORS enabled
• Check Tunarr settings/configuration
• May need reverse proxy configuration

“NotSupportedError: The operation is not supported”

• Usually video-related
• Check HTTP Range Request support
• See docs/bugfix/2025-10/vhs-video-not-playing.md

“Failed to fetch”

• Network connectivity issue
• Check Tunarr URL is correct
• Verify Tunarr is running