Resolved issue if checkbox custom option is not required

suneet64 · suneet64 · commit 64ee8e937481 · 2018-12-03T21:48:01.000+05:30
diff --git a/app/code/Magento/Catalog/Model/Product/Option/Type/Select.php b/app/code/Magento/Catalog/Model/Product/Option/Type/Select.php
@@ -71,7 +71,7 @@ public function validateUserValue($values)
         }
         if (!$this->_isSingleSelection()) {
             $valuesCollection = $option->getOptionValuesByOptionId($value, $this->getProduct()->getStoreId())->load();
-            $valueCount = is_array($value) ? count($value) : 1;
+            $valueCount = is_array($value) ? count($value) : 0;
             if ($valuesCollection->count() != $valueCount) {
                 $this->setIsValid(false);
                 throw new LocalizedException(

Original file line number	Diff line number	Diff line change
`@@ -71,7 +71,7 @@ public function validateUserValue($values)`
`71`	`71`	`}`
`72`	`72`	`if (!$this->_isSingleSelection()) {`
`73`	`73`	`$valuesCollection = $option->getOptionValuesByOptionId($value, $this->getProduct()->getStoreId())->load();`
`74`		`- $valueCount = is_array($value) ? count($value) : 1;`
	`74`	`+ $valueCount = is_array($value) ? count($value) : 0;`
`75`	`75`	`if ($valuesCollection->count() != $valueCount) {`
`76`	`76`	`$this->setIsValid(false);`
`77`	`77`	`throw new LocalizedException(`