[plt-scheme] `planet create` error

I'm getting this error when I try to build my planet package. It looks  
pretty deep in the weeds. Who should I talk to about this one?

# ----
$ planet create javascript
Building: scribblings/javascript.scrbl
PLaneT packager: Error generating scribble documentation: car: expects  
argument of type <pair>; given #<procedure:...yntax/modcollapse.ss:19:8>

=== context ===
/Applications/PLT/collects/syntax/private/modcollapse-noctc.ss:52:2:  
combine-relative-elements
/Applications/PLT/collects/syntax/private/modcollapse-noctc.ss:52:2:  
combine-relative-elements
collapse-module-path-index
/Applications/PLT/collects/scribble/basic.ss:130:0: do-module-path- 
index->taglet
/Applications/PLT/collects/scribble/basic.ss:164:0: module-path-index- 
 >taglet
/Applications/PLT/collects/scribble/scheme.ss:76:2: make-id-element
/Applications/PLT/collects/scribble/scheme.ss:120:2: typeset-atom
/Applications/PLT/collects/scribble/private/manual-bind.ss:89:0:  
definition-site
/Applications/PLT/collects/scribble/private/manual-proc.ss:698:6
/Applications/PLT/collects/scribble/private/manual-proc.ss:692:0:  
*defthing
/Applications/PLT/collects/planet/util.ss:269:0: render
for-loop
/Applications/PLT/collects/planet/util.ss:308:2: make-planet-archive


Refusing to continue packaging.

=== context ===
/Applications/PLT/collects/planet/util.ss:308:2: make-planet-archive
# ----

Thanks,
Dave