Add error page where links are missing

[c99SRS]

Is your feature request related to a problem?

Every site requires an error page to show whenever something wrong happens

Describe the solution you'd like

Every site requires an error page to show whenever something wrong happens

Additional context

Every site requires an error page to show whenever something wrong happens. Please assign this to me

[c99SRS]

HI @QAZIMAAZARSHAD please assign this to me

[QAZIMAAZARSHAD]

@c99SRS also link that page to everywhere where something is missing.

[c99SRS]

Sure @QAZIMAAZARSHAD . Working on it

[c99SRS]

HI @QAZIMAAZARSHAD I have made the changes. Please review my PR and happy to help you further