Patch--Magento_Eav-2.2.6--increase-attribute_code-max-length.patch

diff --git a/Model/Entity/Attribute.php b/Model/Entity/Attribute.php
index a5e31c6..653eca9 100644
--- a/Model/Entity/Attribute.php
+++ b/Model/Entity/Attribute.php
@@ -25,7 +25,7 @@ class Attribute extends \Magento\Eav\Model\Entity\Attribute\AbstractAttribute im
     /**
      * Attribute code max length
      */
-    const ATTRIBUTE_CODE_MAX_LENGTH = 30;
+    const ATTRIBUTE_CODE_MAX_LENGTH = 64;
 
     /**
      * Attribute code min length.