Just quickly looked it it.. well, used mSLDev
Open the script in mSLDev. It will make this EXTREMELY easy to fix.
You will see issues at lines 31 and 50.
Line 31 is suppose to be `elseif` not `else`.
Line 50 is kinda self explanatory.
`/white` what? Typo...
http://www.msldev.comhttp://en.wikichip.org/wiki/MIRC