[plt-scheme] Errors in v371

I compiled and installed v371 on Ubuntu Feisty for both i386 and amd64
and am getting the errors below when I start DrScheme. Clicking OK for
both lets the program start, but it would be nice to have the errors not
show up.

Todd

Error invoking tool
#<path:/usr/local/plt/lib/plt/collects/profjBoxes>;("tool.ss")

/usr/local/plt/lib/plt/collects/profjBoxes/private/example-box.ss:29:14:
unit/sig: not a signature at: drscheme:tool^ in: (unit/sig example-box^
(import drscheme:tool^) (define example-box% (class*
(decorated-editor-snip-mixin editor-snip%) (readable-snip<%>) (inherit
set-snipclass) (init (examples-to-copy #f)) (define/public read-special
(opt-lambda (source (line false) (...

 === context ===
/usr/local/plt/lib/plt/collects/mzlib/private/sigutil.ss:564:11
/usr/local/plt/lib/plt/collects/mzlib/private/sigutil.ss:582:4:
parse-unit
/usr/local/plt/lib/plt/collects/mzlib/unitsig200.ss:40:4
/usr/local/plt/lib/plt/collects/drscheme/private/tools.ss:164:8
/usr/local/plt/lib/plt/collects/drscheme/private/tools.ss:65:2:
load/invoke-all-tools/collections

and

Error invoking tool
#<path:/usr/local/plt/lib/plt/collects/test-suite>;("tool.ss")

/usr/local/plt/lib/plt/collects/test-suite/private/text-syntax-object.ss:20:14: unit/sig: not a signature at: drscheme:tool^ in: (unit/sig text->syntax-object^ (import drscheme:tool^) (define (text->syntax-objects text default-v) (let ((port (open-input-text-editor text))) (define (read-all-syntax) (let* ((language-settings (preferences:get (drscheme:language-configuration:get-se...

 === context ===
/usr/local/plt/lib/plt/collects/mzlib/private/sigutil.ss:564:11
/usr/local/plt/lib/plt/collects/mzlib/private/sigutil.ss:582:4:
parse-unit
/usr/local/plt/lib/plt/collects/mzlib/unitsig200.ss:40:4
/usr/local/plt/lib/plt/collects/drscheme/private/tools.ss:164:8
/usr/local/plt/lib/plt/collects/drscheme/private/tools.ss:65:2:
load/invoke-all-tools/collections