Print the error to stderr instead of stdout
Print the error to stderr instead of stdout

danielElopez/PI-Connector-for-UFL-Samples,osisoft/PI-Connector-for-UFL-Samples,danielElopez/PI-Connector-for-UFL-Samples,osisoft/PI-Connector-for-UFL-Samples,osisoft/PI-Connector-for-UFL-Samples,danielElopez/PI-Connector-for-UFL-Samples,JeromeLefebvre/PI-Connector-for-UFL-Samples