Problem in nori when SoapFault occurs

[wapcaplet]

undefined method `each' for nil:NilClass
.../gems/nori-2.3.0/lib/nori.rb:64:in `find_value'
.../gems/nori-2.3.0/lib/nori.rb:35:in `find'
.../gems/savon-2.3.3/lib/savon/soap_fault.rb:22:in `to_s'
.../gems/cherby-0.0.2/lib/cherby/cherwell.rb:147:in `message'
.../gems/cherby-0.0.2/lib/cherby/cherwell.rb:147:in `rescue in get_object_xml'
.../gems/cherby-0.0.2/lib/cherby/cherwell.rb:144:in `get_object_xml'