What does #404 stand for?

#404 stands for "404 Error - Could Not Be Found."

How to abbreviate "404 Error - Could Not Be Found."?

"404 Error - Could Not Be Found." can be abbreviated as #404

What is the meaning of #404 abbreviation?

The meaning of #404 abbreviation is "404 Error - Could Not Be Found."

What does #404 mean?

#404 as abbreviation means "404 Error - Could Not Be Found."