404 Warning message with invalid URL input

[RayChen666]

Description

1. This is a function to handle invalid URL input which is useful for test in backend.
2. When user type an invalid URL address, it will return warning massage both in terminal and webpage instead of corruption.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Files with missing lines	Coverage Δ
service/common/error_handlers.py	100.00% <100.00%> (ø)