[Koha] Software error when trying to issue books to some patrons

[Tom Obrien]

Hi all,
I am using koha 3.8.2  on Debian. When i try typing a name of some
patrons i get a the error
below. kindly help me understand the error and how i can resolve it.
 Thanks in advance.

Software error:

The 'month' parameter ("0") to DateTime::new did not pass the 'an
integer between 1 and 12' callback
 at /usr/lib/perl5/DateTime.pm line 194.
	DateTime::new(undef, 'hour', 00, 'minute', 00, 'month', 0, 'second',
0, ...) called at
/usr/local/share/perl/5.10.1/DateTime/Format/DateParse.pm line 58
	DateTime::Format::DateParse::parse_datetime('DateTime::Format::DateParse',
'0000-00-00 00:00:00', 'Africa/Nairobi') called at
/usr/share/koha/lib/C4/Members.pm line 1044
	C4::Members::GetPendingIssues(3594) called at
/usr/share/koha/intranet/cgi-bin/circ/circulation.pl line 479