diff --git a/packages/Webkul/Discount/src/Helpers/CouponAbleRule.php b/packages/Webkul/Discount/src/Helpers/CouponAbleRule.php
index 19fbd3127..7ae8a2585 100644
--- a/packages/Webkul/Discount/src/Helpers/CouponAbleRule.php
+++ b/packages/Webkul/Discount/src/Helpers/CouponAbleRule.php
@@ -26,7 +26,6 @@ class CouponAbleRule extends Discount
         } else {
             $rules = $this->cartRule->findWhere([
                 'use_coupon' => 1,
-                'is_guest' => 1,
                 'status' => 1
             ]);
         }
diff --git a/packages/Webkul/Discount/src/Helpers/Discount.php b/packages/Webkul/Discount/src/Helpers/Discount.php
index 4f239d198..704f15631 100644
--- a/packages/Webkul/Discount/src/Helpers/Discount.php
+++ b/packages/Webkul/Discount/src/Helpers/Discount.php
@@ -369,7 +369,11 @@ abstract class Discount
 
         $shipping_city = $shipping_address->city ?? null;
 
-        $payment_method = $paymentMethods[$cart->payment->method]['title'];
+        if (isset($cart->payment)) {
+            $payment_method = $paymentMethods[$cart->payment->method]['title'];
+        } else {
+            $payment_method = null;
+        }
 
         $sub_total = $cart->base_sub_total;
 
@@ -489,7 +493,11 @@ abstract class Discount
 
         $shipping_city = $shipping_address->city ?? null;
 
-        $payment_method = $paymentMethods[$cart->payment->method]['title'];
+        if (isset($cart->payment)) {
+            $payment_method = $paymentMethods[$cart->payment->method]['title'];
+        } else {
+            $payment_method = null;
+        }
 
         $sub_total = $cart->base_sub_total;
 
diff --git a/packages/Webkul/Discount/src/Helpers/NonCouponAbleRule.php b/packages/Webkul/Discount/src/Helpers/NonCouponAbleRule.php
index b747860fe..035c67232 100644
--- a/packages/Webkul/Discount/src/Helpers/NonCouponAbleRule.php
+++ b/packages/Webkul/Discount/src/Helpers/NonCouponAbleRule.php
@@ -27,7 +27,6 @@ class NonCouponAbleRule extends Discount
         } else {
             $rules = $this->cartRule->findWhere([
                 'use_coupon' => 0,
-                'is_guest' => 1,
                 'status' => 1
             ]);
         }
diff --git a/packages/Webkul/Discount/src/Models/CartRuleCustomerGroups.php b/packages/Webkul/Discount/src/Models/CartRuleCustomerGroups.php
index a3e70fee4..951b844ff 100644
--- a/packages/Webkul/Discount/src/Models/CartRuleCustomerGroups.php
+++ b/packages/Webkul/Discount/src/Models/CartRuleCustomerGroups.php
@@ -3,7 +3,7 @@
 namespace Webkul\Discount\Models;
 
 use Illuminate\Database\Eloquent\Model;
-use Webkul\Customer\Moels\CustomerGroupProxy;
+use Webkul\Customer\Models\CustomerGroupProxy;
 use Webkul\Discount\Contracts\CartRuleCustomerGroups as CartRuleCustomerGroupContract;
 
 class CartRuleCustomerGroups extends Model implements CartRuleCustomerGroupContract
@@ -14,6 +14,6 @@ class CartRuleCustomerGroups extends Model implements CartRuleCustomerGroupContr
 
     public function customer_group()
     {
-        return $this->hasOne(CustomerGroupProxy::modelClass());
+        return $this->hasOne(CustomerGroupProxy::modelClass(), 'id', 'customer_group_id');
     }
 }