Error during SESSION activate. I got the message
invalid command name "::request::global"
can't read "dir": no such variable
    while executing
"file join $dir ncgi.tcl"
    (in namespace eval "::request" script line 2)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)

OUTPUT BUFFER:

if {![package vsatisfies [package provide Tcl] 8.4]} {return} package ifneeded ncgi 1.4.3 [list source [file join $dir ncgi.tcl]]