When a 404 error pops up, it's helpful to capture the exact URL and time it...

https://wiki-square.win/index.php/How_Do_I_Create_a_Simple_Checklist_for_Handling_404_Reports%3F

When a 404 error pops up, it's helpful to capture the exact URL and time it happened for easier troubleshooting. Some sites add playful touches like "Whoopsiedoodles!" to lighten the mood