"Orange Bar" Reload Failed Error: 20

I am a newbie to FreePBX. I’m stumped on the error below. I searched all over the Internet and cannot find a solution to resolve the error. I’m not how to even figure out the extension(s) in conflict or bad destinations.

Reload failed because retrieve_conf encountered an error: 20

exit: 20not writableAborting reload because extension conflicts or bad destinations
1 error(s) occurred, you should view the notification log on the dashboard or main screen to check for more details.

Below is datail about the system.

Canonical Hostname pbxinaflash.local
Kernel Version 2.6.18-194.26.1.el5 (SMP)
Distro Name CentOS release 5.7 (Final)


Any assistance would be greatly appreciated.