Hello, Is anyone acquainted with this error message from MIKE Hydro River? [color=red]Unexpected simulation launcher exception. Please see log file for exception stack trace. Exception message: 'Failed loading data from MIKE Hydro bridge (DHI.Mike1D.MHydroBridge.MHydroBridge): myfilename.mhydro' Object Reference not set to an instance of an object. [/color] I do not find any further information on the error, and I am not sure what MIKE Hydro Bridge actually is. Can anyone help?