bug fix and adding new things on already build website

Facebook login is not working Warning: Cannot modify header information – headers already sent by (output started at /home/site/public_html/[login to view URL]) in /home/site/public_html/[login to view URL] on line 32 The google map is not working when you click on the map it doesn’t link you to the person address when you click on the map . ----------------------------------- Features Event – The business owner can add events that they are going to have. They can see how many people have said that they are going. Coupon – The business owner can create coupon code. They can use it on their website or print it out. They can see how many people have coped it and or print it. Custom page – Admin can create pages that shows on top menu or on the footer. Claim Listing – The business owner can claim the listing and take over that page after its a approved. Custom field for Business Details – The business can add its own custom field and name to their listing. How many view on business page – This will shows how many people view their page. Top reviewers and Business – Top 10 reviewer with the most reviews and Top business that have 4 or 5 stars and have the most reviews. Admin can add business listing or import them in the admin panel Add Zip code to address field Users can create poll Users can create question and answer All the above can be created, edit and delete in admin area update rating system Communication 1of 5 n/a Quality Service or items 1 of 5 n/a Price 1of 5 n/a Recommendation 1 of 5 n/a Support 1 of 5 or n/a