Thanks alot @BabakHow To Null FleetCart Script
Go To \FleetCart\app\License.php
Open License.php and find these codes around line 103 To 115
remove codes and replace it with this codePHP:if ($this->valid()) { return false; } if ($this->runningInLocalhost()) { return false; } if ($this->inFrontend()) { return false; } return true;
EnjoyPHP:return false;