199.13 setup-plt errors

["AnderMan" <anderman@anderware.com>]

I got the following errors during setup-plt, should I be concerned or can they
be ignored?

setup-plt: Done setting up
setup-plt: 
setup-plt: Error during Making .zos for HTML (/opt/source/plt/collects/html)
setup-plt:   make: Failed to make compiled/dtd-ast.zo; define-values: illegal
use (not at top-level) in dtd-ast.ss:11.3: (define-values (struct:dtd-item
make-dtd-item dtd-item?) (let-values (((type maker pred access mu...
setup-plt: Error during Making .zos for HtDP Languages
(/opt/source/plt/collects/lang)
setup-plt:   make: Failed to make compiled/htdp-langs.zo;
standard-module-name-resolver: collection not found: "string-constants" in any
of: ("/opt/source/plt/collects")
setup-plt: Error during Making .zos for Framework Test Suite
(/opt/source/plt/collects/tests/framework)
setup-plt:   make: Failed to make compiled/prefs.zo; define-values: illegal use
(not at top-level) in prefs.ss:1.9: (define-values (pref-file) (build-path
(find-system-path (quote pref-dir)) (case (system-type) ((...
setup-plt: Error during Making .zos for mzc (/opt/source/plt/collects/compiler)
setup-plt:   make: Failed to make compiled/vmscheme.zo; define-values: illegal
use (not at top-level) in vmscheme.ss:15.3: (define-values (struct:vm:sequence
make-vm:sequence vm:sequence? vm:sequence-vals set-vm:sequence...

PLT installation done.

Robert John Andersen