Problem with OpenCart 2.1.0.2 DotPay extension (PHP 5.6.30)

[tomadamski]

Hi,

Could you please help with the errors below?

PHP Unknown: Argument 2 passed to ControllerPaymentDotpayNew::getAvailableChannels() must be an instance of dotpay\Agreements, null given, called in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php on line 89 and defined in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php on line 425

PHP Unknown: Argument 3 passed to ControllerPaymentDotpayNew::renderChannel() must be an instance of dotpay\Agreements, null given, called in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php on line 444 and defined in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php on line 397

[tomadamski]

After changing the PHP version to 7.0 we received this errors:

Fatal error: Uncaught TypeError: Argument 2 passed to ControllerPaymentDotpayNew::getAvailableChannels() must be an instance of dotpay\Agreements, null given, called in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php on line 89 and defined in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php:425 Stack trace: #0 /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php(89): ControllerPaymentDotpayNew->getAvailableChannels(Array, NULL, Array) #1 /home/xxxxxxx/public_html/system/modification/system/engine/action.php(65): ControllerPaymentDotpayNew->index(Array) #2 /home/xxxxxxx/public_html/system/modification/system/engine/loader.php(12): Action->execute(Object(Registry)) #3 /home/xxxxxxx/public_html/catalog/controller/checkout/confirm.php(409): Loader->controller('payment/dotpay_...') #4 /home/xxxxxxx/public_html/system/modification/system/engine/action.php(65): ControllerCheckoutConfirm->index(Array) #5 /home/xxxxxxx/public_html/system/engine/front.php(34): Action->ex in /home/xxxxxxx/public_html/catalog/controller/payment/dotpay_new.php on line 425

[tbajorek]

Please check this version:
dotpay.ocmod.zip