SHELL

Failure while executing; `/bin/launchctl bootstrap gui/501 /Users/singh/Library/LaunchAgents/homebrew.mxcl.httpd.plist` exited with 5. singh@Singhs-Air ~ % sudo apachectl start

THis happend due to you have issue into your httpd.config file 

to find the issue just run 

sudo apachectl start

then it will throw and error with line number jsut look or search the line it will good to go

then restart your server 

brew services start httpd