Mon May 23 21:59:38 PDT 2016
Trace back: bad window path name ""
    while executing
"winfo parent $child"
    (object "::.windowmgr" method "::mtiwidgets::WindowMgr::IsChildOf" body line 3)
    invoked from within
"$::vsimPriv(windowmgr) IsChildOf [$wo GetData wave] [focus]"
    (object "::.main_pane.dataflow.interior.cs.body.pw.df.c" method "::vsimwidgets::Dataflow::ActivePane" body line 9)
    invoked from within
"ActivePane"
    (object "::.main_pane.dataflow.interior.cs.body.pw.df.c" method "::vsimwidgets::Dataflow::Activate" body line 21)
    invoked from within
".main_pane.dataflow.interior.cs.body.pw.df.c Activate .main_pane.dataflow"
    (in namespace inscope "::" script line 1)
    invoked from within
"namespace inscope :: {.main_pane.dataflow.interior.cs.body.pw.df.c Activate} .main_pane.dataflow"
    ("eval" body line 1)
    invoked from within
"eval $itk_option(-activatecommand) $frame_name"
    (object "::.main_pane.dataflow" method "::mtiwidgets::WindowObj::Activate" body line 16)
    invoked from within
"$windowobj Activate """
    (object "::.vcop" method "::vsimwidgets::Vcop::ActualActivate" body line 36)
    invoked from within
"::.vcop ActualActivate"
    (in namespace inscope "::vsimwidgets::Vcop" script line 1)
    invoked from within
"namespace inscope ::vsimwidgets::Vcop {::.vcop ActualActivate}"
    ("after" script)
  <2:/home/traylor/altera_lite/15.1/modelsim_ase/linuxaloem/tk8.5/bgerror.tcl:92: ::tkerror {bad window path name ""}
  <1:eval:1: ::tk::dialog::error::bgerror {bad window path name ""}