Wed Feb 17 14:51:35 IST 2021
Trace back: window name "bb" already exists in parent
    while executing
"frame $w "
    (procedure "MtiFormUtil::makeButtonBox" line 5)
    invoked from within
"MtiFormUtil::makeButtonBox $f.bb 2 [list  [list "OK"     "if {\[Wave::ApplyWaveSig $tree\]} {Wave::CancelWaveSig $tree}"]  [list "Cancel" "Wave::Cance..."
    (procedure "Wave::SigDialog" line 68)
    invoked from within
"Wave::SigDialog .main_pane.wave.interior.cs.body.pw.wf"
    ("eval" body line 1)
    invoked from within
"eval $cmd"
    (procedure "Wave::ItemProp" line 19)
    invoked from within
"Wave::ItemProp .main_pane.wave.interior.cs.body.pw.wf.tree"
    (command bound to event)
  <2:C:/intelFPGA_pro/18.1/modelsim_ase/win32aloem/tk8.6/bgerror.tcl:106: ::tkerror {window name "bb" already exists in parent}
  <1:proc:14: ::tk::dialog::error::bgerror {window name "bb" already exists in parent}
Wed Mar 24 00:30:37 +0530 2021
Trace back: window name "bb" already exists in parent
    while executing
"frame $w "
    (procedure "MtiFormUtil::makeButtonBox" line 5)
    invoked from within
"MtiFormUtil::makeButtonBox $f.bb 2 [list  [list "OK"     "if {\[Wave::ApplyWaveSig $tree\]} {Wave::CancelWaveSig $tree}"]  [list "Cancel" "Wave::Cance..."
    (procedure "Wave::SigDialog" line 68)
    invoked from within
"Wave::SigDialog .main_pane.wave.interior.cs.body.pw.wf"
    ("eval" body line 1)
    invoked from within
"eval $cmd"
    (procedure "Wave::ItemProp" line 19)
    invoked from within
"Wave::ItemProp .main_pane.wave.interior.cs.body.pw.wf.tree"
    (command bound to event)
  <2:C:/intelFPGA_pro/18.1/modelsim_ase/win32aloem/tk8.6/bgerror.tcl:106: ::tkerror {window name "bb" already exists in parent}
  <1:eval:1: ::tk::dialog::error::bgerror {window name "bb" already exists in parent}
