For some reason, setting the validationMode is commented out: diff --git
a/lib/AuthorizeNetCIM.php b/lib/AuthorizeNetCIM.php index
e271ec4..05f59d7 100644 --- a/lib/AuthorizeNetCIM.php +++
b/lib/AuthorizeNetCIM.php @@ -251,7 +251,7 @@ class Authorize...