Olga, I don't think the error has anything to do with TRNFLOW. There is a Type9 data reader that is not able to find the external file that is being referenced (or else the file is there but may be empty (0k in size) Kind regards, david Olga Lomachenko wrote: Hello to everybody, -- *********************************************************************** Thermal Energy System Specialists (TESS), LLC David BRADLEY 22 N. Carroll Street - Suite 370 Partner Madison, WI 53703 USA P: +1.608.274.2577 F: +1.608.278.1475 E-mail: bradley@tess-inc.com Web Pages: http://www.tess-inc.com and http://www.trnsys.com *********************************************************************** |