How to Fix a Server Error in a Facebook Application

Check your internet connection, and be sure that you can access the internet on another page. Server errors will show up if you are not connected to the internet.
Reload the page to clear a server error. Sometimes the server errors are simply a result of a page that has loaded poorly.
Close the browser window and open up another one to access the same page. It could be that your page was not loading correctly.
Delete your temporary internet files and clear your cache. This should clear any server errors that remain.
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How to Clear the Console Log on a Mac (5 Steps)

Open a new Finder window by clicking on the icon in the dock.
Navigate to the 'Applications' folder in the new Finder window. Then find and open the 'Utilities' folder.
Double-click on the 'Console' icon to open the Console utility program. A new window will open that lists all recent error messages the system has recorded.
Click the 'Show Log List' button in the upper left corner of the Console window, then select a specific log file from the left portion of the screen.
Click the 'Clear Display' button at the top of the Console window to reset the log file and clear all existing error messages.
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