Website error

I installed a php script and I'm getting this error when i click on any category or or upload pic button or video option in my site.. Someone told me its a .htaccess file missing. I have rules in a text file in script folder for htaaccess file.. Can anyone help me with this plz. I am willing to give you
a high karma reddit account to solve this
Inbox me. So that i give you site link and username password.

by IqraRana via TBN