anyone know what this error means?

I fetched the latest tkchat starkit and when I tried to start it, I get
this error:

invalid command name "name:S,size:I,date:I,contents:B"
    while executing
"source /volws/lwv27/ldatae/bin/tkchat.kit/main.tcl"
    ("uplevel" body line 1)
    invoked from within
"uplevel [list source [file join $self main.tcl]]"
-- 
Tcl - The glue of a new generation.  <URL: http://wiki.tcl.tk/ >
Larry W. Virden <mailto:[email protected]><URL: http://www.purl.org/NET/lvirden/ >
Even if explicitly stated to the contrary, nothing in this posting should 
be construed as representing my employer's opinions.
-><-