After updating to the new version (
Nulled - Downloaded from NullCave) - this error is coming again & again. I have even replaced the License.php file, it worked for few hours, and then error is back again. Please help!
"
Connection Error
WHMCS has not been able to verify your license for the last few days.
Before you can access your WHMCS Admin Area again, the license needs to be validated successfully. Please check & ensure that you don't have a firewall or DNS rule blocking outgoing connections to our website.
View attachment 56417