//missing file btn-primary => btn btn-default

modules/bankwire/bankwire.php

@@ -215,7 +215,7 @@ class BankWire extends PaymentModule
 				),
 			'submit' => array(
 				'title' => $this->l('Save'),
-				'class' => 'btn btn-primary')
+				'class' => 'btn btn-default')
 			),
 		);