Made error message more clear

Author: nithinkdb

src/databricks/sql/client.py

@@ -509,7 +509,7 @@ def execute(
             self.connection.get_session_protocol_version()
             < ttypes.TProtocolVersion.SPARK_CLI_SERVICE_PROTOCOL_V8
         ):
-            raise Error("Parameterized operations are not supported by this server")
+            raise Error("Parameterized operations are not supported by this server. Support will begin with server version DBR 14.1")
         else:
             parameters = named_parameters_to_tsparkparams(parameters)