[SOLVED] 404 Page Not Found ?

[eluser]solid9[/eluser]
While I'm working on my current project.

For some unknown reason this error below show up

Code:

404 Page Not Found

Anyone experienced this problem?
I'm sure I haven't deleted any files.
Is this server issue? Or the CI suddenly go insane? LOL

[eluser]solid9[/eluser]
Okay it's working now.
It's server issue.