Runtime Error in component "EnsEMBL::Web::Component::UserData::ManageConfigSets [content]"

Function EnsEMBL::Web::Component::UserData::ManageConfigSets fails to execute due to the following error:

	Can't use an undefined value as a HASH reference at
	... /net/isilonP/public/rw/ensembl/ensembl-genomes/release-23/metazoa/ensembl-webcode/modules/EnsEMBL/Web/Compo
	... nent/UserData/ManageConfigSets.pm line 38.