It is very important to read this section, especially if you run on problems with your Facebook application. There is a list of common mistakes made especially by novices on Facebook development. This section has description of solutions which are often trivial, but very time consuming.
Some components are not displayed
1.Is the Connect URL in the Developer application set right? To view how to configure the Connect URL correctly, please view Create Facebook Application tutorial under the 'Setting connect options' section.2. Another possible reason is that you forgot to include required files and initialization command in your page after <body> > tag. Please take a look at 'Page requirements' section inside Install Facebook Connect PHP Toolkit tutorial.
3. Third reason can be that your Facebook application keys are not set correctly. It is very frequent that somebody works or local host and then puts the same application with the same keys on server, and vice versa.
Some controls do nothing on a mouse click
This problem is frequently occurred if you miss some of steps from previous section. Please check previous section.Exceptions:
Facebook needs the CURL PHP extension.Make sure that you enabled using of CURL extension in your PHP.ini file under PHP installation. Also make sure that php_curl library is located in 'ext' sub folder of your PHP installation folder.
Facebook needs the JSON PHP extension.
Make sure that you enabled using of JSON extension in your PHP.ini file under PHP installation. Also make sure that php_json library is located in 'ext' sub folder of your PHP installation folder.
If you get any other trouble which is not listed in this tutorial, please send an email at info@vatlab.com.We will be glad to help you.
