MAGETWO-54262: Cannot remove product from shopping cart

Author: ishakhsuvarov

app/code/Magento/CatalogInventory/Model/Quote/Item/QuantityValidator.php

@@ -183,13 +183,6 @@ public function validate(\Magento\Framework\Event\Observer $observer)
                     \Magento\CatalogInventory\Helper\Data::ERROR_QTY,
                     $result->getMessage()
                 );
-
-                $quoteItem->getQuote()->addErrorInfo(
-                    $result->getQuoteMessageIndex(),
-                    'cataloginventory',
-                    \Magento\CatalogInventory\Helper\Data::ERROR_QTY,
-                    $result->getQuoteMessage()
-                );
             } else {
                 // Delete error from item and its quote, if it was set due to qty lack
                 $this->_removeErrorsFromQuoteAndItem($quoteItem, \Magento\CatalogInventory\Helper\Data::ERROR_QTY);

app/code/Magento/Checkout/Block/Cart.php

@@ -108,12 +108,20 @@ public function prepareItemUrls()
     }
 
     /**
-     * @codeCoverageIgnore
      * @return bool
      */
     public function hasError()
     {
-        return $this->getQuote()->getHasError();
+        if ($this->getQuote()->getHasError()) {
+            return true;
+        }
+
+        foreach ($this->getQuote()->getItems() as $quoteItem) {
+            if (!empty($quoteItem->getErrorInfos())) {
+                return true;
+            }
+        }
+        return false;
     }
 
     /**