diff --git a/Tank/Plugins/PhantomUtils.py b/Tank/Plugins/PhantomUtils.py
index e8218f0..7c8d125 100644
--- a/Tank/Plugins/PhantomUtils.py
+++ b/Tank/Plugins/PhantomUtils.py
@@ -331,7 +331,11 @@ class AddressWizard:
         :param address_str:
         :return: tuple of boolean, string, int - isIPv6, resolved_ip, port (may be null), extracted_address
         """
-        logging.debug("Trying to resolve address string")
+
+        if not address_str:
+            raise  RuntimeError("Mandatory option was not specified: address")
+
+        logging.debug("Trying to resolve address string: %s", address_str)
 
         port = None