child process exited abnormally child process exited abnormally while executing "::exec /Users/george/Programs/dowser/bin/dowser processed-for-dowser.pdb -probe 0.2 -separation 1.0 >&@ stdout" ("eval" body line 1) invoked from within "eval ::exec [list $exec_path] [lrange $args 1 end]" (procedure "::ExecTool::exec" line 14) invoked from within "::ExecTool::exec /Users/george/Programs/dowser/bin/dowser processed-for-dowser.pdb -probe 0.2 -separation 1.0 >&@ stdout" ("eval" body line 1) invoked from within "eval ::ExecTool::exec $dowserBin "$dowserArgs" >&@ stdout" (procedure "::Dowser::rundowser_wrapper" line 208) invoked from within "::Dowser::rundowser_wrapper $argList" (procedure "::Dowser::GUI::rundowser_from_gui" line 42) invoked from within "::Dowser::GUI::rundowser_from_gui dowser" invoked from within ".dowser.run.button.rundowserbutton invoke" ("uplevel" body line 1) invoked from within "uplevel #0 [list $w invoke]" (procedure "tk::ButtonUp" line 23) invoked from within "tk::ButtonUp .dowser.run.button.rundowserbutton" (command bound to event)