Reading package fields... 80%/usr/lib/ruby/1.8/debian/utils.rb:47:in `pipe': Too many open files (Errno::EMFILE)
	from /usr/lib/ruby/1.8/debian/utils.rb:47:in `pipeline'
	from /usr/lib/ruby/1.8/debian/utils.rb:86:in `tar'
	from /usr/lib/ruby/1.8/debian.rb:142:in `load'
	from /usr/lib/ruby/1.8/debian/utils.rb:75:in `gunzip'
	from /usr/lib/ruby/1.8/debian/utils.rb:40:in `pipeline'
	from /usr/lib/ruby/1.8/debian/utils.rb:72:in `gunzip'
	from /usr/lib/ruby/1.8/debian.rb:141:in `load'
	from /usr/lib/ruby/1.8/debian/ar.rb:150:in `open'
	from /usr/lib/ruby/1.8/debian/ar.rb:147:in `each'
	from /usr/lib/ruby/1.8/debian/ar.rb:147:in `open'
	from /usr/lib/ruby/1.8/debian.rb:140:in `load'
	from /usr/lib/ruby/1.8/debian.rb:82:in `field'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:733:in `field'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:751:in `create'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:743:in `each_index'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:743:in `create'
	from /usr/sbin/apt-listbugs:323
/usr/lib/ruby/1.8/debian.rb:198:in `parseFields': E: required field Package not found in  (Debian::FieldError)
	from /usr/lib/ruby/1.8/debian.rb:196:in `each'
	from /usr/lib/ruby/1.8/debian.rb:196:in `parseFields'
	from /usr/lib/ruby/1.8/debian.rb:439:in `initialize'
	from /usr/lib/ruby/1.8/debian.rb:150:in `new'
	from /usr/lib/ruby/1.8/debian.rb:150:in `load'
	from /usr/lib/ruby/1.8/debian.rb:82:in `field'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:733:in `field'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:751:in `create'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:743:in `each_index'
	from /usr/share/apt-listbugs/apt-listbugs/logic.rb:743:in `create'
	from /usr/sbin/apt-listbugs:323
E: Sub-process /usr/sbin/apt-listbugs apt || exit 10 returned an error code (10)
E: Failure running script /usr/sbin/apt-listbugs apt || exit 10