Installation Problem

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An error of type E_ERROR was caused in line 27 of the file /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/woo-payment-gateway-for-vivapayments/encryption.php. Error message: Uncaught Exception: Needs a 256-bit key! 27 in /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/woo-payment-gateway-for-vivapayments/encryption.php:27 Stack trace: #0 /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/woo-payment-gateway-for-vivapayments/viva-woocommerce-payment-gateway.php(207): WC_Payment_Gateway_KeyEncryption_Viva::decrypt(”, ‘put your unique…’) #1 /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/woo-payment-gateway-for-vivapayments/viva-woocommerce-payment-gateway.php(77): WC_Papaki_Vivapayments_Gateway->get_option(‘vivaPayAPIKey’) #2 /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(94): WC_Papaki_Vivapayments_Gateway->__construct() #3 /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(70): WC_Payment_Gateways->init() #4 /chroot/home/nikijewels/niki-jewels.gr/html/eshop/wp-content/plugins/wo

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