| 
 | 
 
can't read "gPB(c_help,tool_button)": no such element in array 
can't read "gPB(c_help,tool_button)": no such element in array 
    while executing 
"$gPB(c_help,tool_button) config -state $st" 
    (procedure "UI_PB_com_ChangeCHelpState_mod" line 3) 
    invoked from within 
"UI_PB_com_ChangeCHelpState_mod $st" 
    invoked from within 
"if [info exists gPB(master_pid)] { 
comm::comm send -async $gPB(master_pid) [list UI_PB_com_ChangeCHelpState_mod $st] 
} else { 
UI_PB_com_ChangeCHelpSta..." 
    (procedure "UI_PB_com_ChangeCHelpState" line 3) 
    invoked from within 
"UI_PB_com_ChangeCHelpState disabled" 
    (procedure "UI_PB_file_OpenPost_win" line 9) 
    invoked from within 
"UI_PB_file_OpenPost_win" 
    (procedure "UI_PB_OpenPost" line 22) 
    invoked from within 
"UI_PB_OpenPost" 
    invoked from within 
".widget.f.tool.frame.open invoke" 
    ("uplevel" body line 1) 
    invoked from within 
"uplevel #0 [list $w invoke]" 
    (procedure "tk::ButtonUp" line 24) 
    invoked from within 
"tk::ButtonUp .widget.f.tool.frame.open" 
    (command bound to event) |   
 
 
 
 |