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Access Denied: You are not authorized to perform this action
You got this error message because you have not registered all your IPs for API Access. You need...

Blank Admin Screen or Fatal error
You got a blank page or the following error messages because you have not correctly installed or...

Detected attempt to include init.php for a second time. Unable to continue
You got this error messages because you have not correctly installed or updated the FREE Tools...

I whitelist my Server IP in my Reseller Account but the FREE tools still does not work
Whitelisting the IP which resolves to your whmcs domain is not enough if the Hosting Server have...

PHP Fatal error with Ioncube loader
Hosting Servers with Multiple PHP Versions Offering various PHP versions have been come popular...