Unable to submit CPANtesters reports

For at least an hour I have been unable to submit CPANtesters reports. 
Here, for instance, is the tail of the output of 'force test 
Dist::Zilla' called from within the cpan shell.

#####
CPAN::Reporter: Test result is 'pass', All tests successful.
CPAN::Reporter: preparing a CPAN Testers report for Dist-Zilla-6.032
CPAN::Reporter: sending test report with 'pass' via Metabase
CPAN::Reporter: Test::Reporter: error from 
'Test::Reporter::Transport::Metabase:'
fact submission failed: Internal Server Error at 
/home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/Metabase/Client/Simple.pm 
line 129.
	Metabase::Client::Simple::submit_fact(Metabase::Client::Simple=HASH(0x853880e88), CPAN::Testers::Report=HASH(0x853cef360)) called at /home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/Test/Reporter/Transport/Metabase.pm line 122
	Test::Reporter::Transport::Metabase::send(Test::Reporter::Transport::Metabase=HASH(0x853285678), Test::Reporter=HASH(0x8534aad98)) called at /home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/Test/Reporter.pm line 272
	eval {...} called at 
/home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/Test/Reporter.pm 
line 272
	Test::Reporter::send(Test::Reporter=HASH(0x8534aad98)) called at 
/home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/CPAN/Reporter.pm 
line 495
	CPAN::Reporter::_dispatch_report(HASH(0x85275bd08)) called at 
/home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/CPAN/Reporter.pm 
line 107
#####

Is the metabase server operational?
	CPAN::Reporter::grade_test(CPAN::Distribution=HASH(0x84fa6af90), 
"/usr/bin/make test", ARRAY(0x8527a8690), 0) called at 
/home/jkeenan/testing/perl-5.41.4/lib/site_perl/5.41.4/CPAN/Reporter.pm 
line 202
	CPAN::Reporter::test(CPAN::Distribution=HASH(0x84fa6af90), 
"/usr/bin/make test") called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN/Distribution.pm line 3854
	CPAN::Distribution::test(CPAN::Distribution=HASH(0x84fa6af90)) called 
at /home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN/Module.pm line 484
	eval {...} called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN/Module.pm line 483
	CPAN::Module::rematein(CPAN::Module=HASH(0x84d929270), "test") called 
at /home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN/Module.pm line 513
	CPAN::Module::test(CPAN::Module=HASH(0x84d929270)) called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN/Shell.pm line 1901
	CPAN::Shell::rematein("CPAN::Shell", "force", "test", "Dist::Zilla") 
called at /home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN/Shell.pm 
line 2068
	CPAN::Shell::__ANON__("CPAN::Shell", "test", "Dist::Zilla") called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN.pm line 381
	eval {...} called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/CPAN.pm line 378
	CPAN::shell() called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/App/Cpan.pm line 416
	App::Cpan::_process_options("App::Cpan") called at 
/home/jkeenan/testing/perl-5.41.4/lib/5.41.4/App/Cpan.pm line 512
	App::Cpan::run("App::Cpan") called at ./bin/cpan line 18