2.3.0 da Hata Veriyor

Merhaba , LiteCart 2.3.0 versiyon kullanıyorum.

Aldığım hata :

Warning: Trying to access array offset on value of type null in ~/includes/modules/payment/pm_iyzico.inc.php (Line 152)

Fatal error: Uncaught Error: Class "Iyzipay\Options" not found in /home/u9176990/kirmizietdunyasi.com/includes/modules/payment/pm_iyzico.inc.php:153 Stack trace: #0 /home/****/*****.com/includes/modules/mod_payment.inc.php(177): pm_iyzico->transfer() #1 /home/**/**.com/pages/order_process.inc.php(59): mod_payment->transfer() #2 
/home/****/****.com/vqmod/vqcache/vq2-includes_library_lib_route.inc.php(122): include('/home/u9176990/...') #3 /home/****/****.com/index.php(40): route::process() #4 {main} thrown in 
/home/****/****.com/includes/modules/payment/pm_iyzico.inc.php on line 153

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