Cannot cancel order 1.7.4.4

[e.boder]

CRITICAL20:23:08	php	Call to a member function void() on null Show context    Hide trace {▼ /home/intwebhost/public_html/modules/paypal/paypal.php:1312 {▼ › try { › $response_void = $method->void(array('authorization_id'=>$orderPayPal->id_transaction)); › } catch (PayPal\Exception\PPConnectionException $e) { } /home/intwebhost/public_html/classes/Hook.php:924 {▶} /home/intwebhost/public_html/classes/Hook.php:328 {▶} /home/intwebhost/public_html/classes/Hook.php:860 {▶} /home/intwebhost/public_html/classes/order/OrderHistory.php:108 {▶} /home/intwebhost/public_html/controllers/admin/AdminOrdersController.php:535 {▶} /home/intwebhost/public_html/classes/controller/Controller.php:244 {▶} /home/intwebhost/public_html/classes/Dispatcher.php:428 {▶} /home/intwebhost/public_html/admin123/index.php:99 {▶} }
CRITICAL20:23:08	request	Uncaught PHP Exception Symfony\Component\Debug\Exception\FatalThrowableError: "Call to a member function void() on null" at /home/intwebhost/public_html/modules/paypal/paypal.php line 1312 Show context    Hide trace {▼ /home/intwebhost/public_html/modules/paypal/paypal.php:1312 {▼ › try { › $response_void = $method->void(array('authorization_id'=>$orderPayPal->id_transaction)); › } catch (PayPal\Exception\PPConnectionException $e) { } /home/intwebhost/public_html/classes/Hook.php:924 {▶} /home/intwebhost/public_html/classes/Hook.php:328 {▶} /home/intwebhost/public_html/classes/Hook.php:860 {▶} /home/intwebhost/public_html/classes/order/OrderHistory.php:108 {▶} /home/intwebhost/public_html/controllers/admin/AdminOrdersController.php:535 {▶} /home/intwebhost/public_html/classes/controller/Controller.php:244 {▶} /home/intwebhost/public_html/classes/Dispatcher.php:428 {▶} /home/intwebhost/public_html/admin123/index.php:99 {▶} }