Fatal error: Uncaught Exception: Recoverable Error: Object of class Magento\Customer\Model\Customer\Interceptor could not be converted to string in /data/demovitacareonli/public_html/app/code/FME/Restrictcustomergroup/Helper/Data.php on line 90 in /data/demovitacareonli/public_html/lib/internal/Magento/Framework/App/ErrorHandler.php:61 Stack trace: #0 /data/demovitacareonli/public_html/app/code/FME/Restrictcustomergroup/Helper/Data.php(90): Magento\Framework\App\ErrorHandler->handler(4096, 'Object of class...', '/data/demovitac...', 90, Array) #1 /data/demovitacareonli/public_html/app/code/FME/Restrictcustomergroup/Observer/PostDispatch.php(99): FME\Restrictcustomergroup\Helper\Data->getCustomerNsGroupId() #2 /data/demovitacareonli/public_html/lib/internal/Magento/Framework/Event/Invoker/InvokerDefault.php(88): FME\Restrictcustomergroup\Observer\PostDispatch->execute(Object(Magento\Framework\Event\Observer)) #3 /data/demovitacareonli/public_html/lib/internal/Magento/Framework/Event/Invoker/InvokerDefault.php(74): Magento\ in /data/demovitacareonli/public_html/lib/internal/Magento/Framework/App/ErrorHandler.php on line 61