190 Errors, 62 warning in my site!!!

Hello
I am the P30AF Administrator !
whem I chek my site I see 190 Errors, 62 warning in my site!
How I can fix this?
Please chekt this 2 URL
tank you
1-
http://validator.w3.org/check?uri=http://p30af.com&charset=%28detect+automatically%29&doctype=Inline&ss=1&outline=1&group=1&No200=1&verbose=1&st=1&user-agent=W3C_Validator/1.2
2- http://p30af.com