Error code help

I could use some help getting this error code resolved. Any suggestions.

http://7ca3bbb8-b379-4ddb-a979-ca35b616357b-00-2k2n0msb3l5o3.teams.replit.dev/

Current behavior:

Desired behavior

Repl link:

code snippet

What error do you need to fix? A 404 error in the console?