From fc263169cb89d12212ed5731e978c2636c512f41 Mon Sep 17 00:00:00 2001
From: "Leandro F. L" <lfluvisotto@gmail.com>
Date: Mon, 8 Apr 2019 00:06:13 -0300
Subject: [PATCH] Fix > Exception #0 (BadMethodCallException): Missing required
 argument $msrpPriceCalculators of Magento\Msrp\Pricing\MsrpPriceCalculator.

---
 app/code/Magento/Msrp/Pricing/MsrpPriceCalculator.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/code/Magento/Msrp/Pricing/MsrpPriceCalculator.php b/app/code/Magento/Msrp/Pricing/MsrpPriceCalculator.php
index 3d1e5ef0b8e6c..9257b0b78cda1 100644
--- a/app/code/Magento/Msrp/Pricing/MsrpPriceCalculator.php
+++ b/app/code/Magento/Msrp/Pricing/MsrpPriceCalculator.php
@@ -23,9 +23,15 @@ class MsrpPriceCalculator implements MsrpPriceCalculatorInterface
     /**
      * @param array $msrpPriceCalculators
      */
-    public function __construct(array $msrpPriceCalculators)
+    public function __construct(?array $msrpPriceCalculators = null)
     {
-        $this->msrpPriceCalculators = $this->getMsrpPriceCalculators($msrpPriceCalculators);
+        /*
+         * This is a workaround for the case of modules Magento_MsrpConfigurableProduct and Magento_MsrpGroupedProduct
+         * are disabled.
+         */
+        if (\is_array($msrpPriceCalculators)) {
+            $this->msrpPriceCalculators = $this->getMsrpPriceCalculators($msrpPriceCalculators);
+        }
     }
 
     /**