BLT Zoom stack

[David Sumpter]

Hi there,

I know this is an old question and I cured this before last time I installed 
Swarm but I've forgotten how its done. I get the warning message:

"Blt_ZoomStack .w18c338.w18c5b8"
while evaluating: Blt_ZoomStack .w18c338.w18c5b8; Blt_Crosshairs 
.w18c338.w18c5b8; Blt_ActiveLegend .w18c338.w18c5b8; Blt_ClosestPoint 
.w18c338.w18c5b8
(Tcl -eval:) invalid command name "Blt_ZoomStack"
    while executing
"unknown_pre_tclObjc $name $args"
    invoked from within
"if {[llength [info procs unknown_pre_tclObjc]]} {
       unknown_pre_tclObjc $name $args
     } else {
       error "in unknown: invalid command name: ..."
    invoked from within
"if {[string match address@hidden $name]} {
     return [uplevel tclObjc_msg_send $name $args]
   } else {
     if {[llength [info procs unknown_pre_tclObjc]]}  ..."
    (procedure "unknown" line 2)
    invoked from within

How do I install BLT to stop this happening?

Thanks, 

David.


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