Cloud: bucket-> list still failing

Since 1 AM Aug 6 my command (in perl) to get a bucket list

@keys = @{$bucket->list({
prefix => $prefix,
max_keys => $limit,
marker => $marker,
})->{keys} || []};

has been failing with this message;
Can’t use an undefined value as a HASH reference at line 279
for instance.
The error log gets this:
" AccountProblem: There is a problem with your DreamObjects account that prevents the operation from completing successfully. Please contact us."
Is any one else having a problem like this?