Fixed BalanceWidget closing issue in OP module.
Create a copying function for BalanceWidget in OP module.(from OP-WHMCS7/modules/registrars/openprovider/Controllers/Hooks/Widgets/BalanceWidget.php to app/whmcs/modules/widgets/BalanceWidget.php)
Added meaning full error messages when not having OP module.
Fixed BalanceWidget closing issue in OP module. Create a copying function for BalanceWidget in OP module.
(from OP-WHMCS7/modules/registrars/openprovider/Controllers/Hooks/Widgets/BalanceWidget.php to app/whmcs/modules/widgets/BalanceWidget.php)
Added meaning full error messages when not having OP module.