AJAX error - Runtime Error in component "EnsEMBL::Web::Component::Gene::VariationImage [content]"

Function EnsEMBL::Web::Component::Gene::VariationImage fails to execute due to the following error:

	Uncaught exception 'DBException' with message 'Can't call method "get_VariationFeatureAdaptor" on an undefined
	... value at /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/DBHub.pm line 93.
	'
	  Thrown by EnsEMBL::Web::DBHub::get_adaptor in module EnsEMBL::Web::Object at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Object.pm on line 74
	  Called by EnsEMBL::Web::Object::get_adaptor in module EnsEMBL::Web::Object::Slice at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Object/Slice.pm on line 115
	  Called by EnsEMBL::Web::Object::Slice::getFakeMungedVariationFeatures in module EnsEMBL::Web::Object::Gene at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Object/Gene.pm on line 1137
	  Called by EnsEMBL::Web::Object::Gene::getVariationsOnSlice in module EnsEMBL::Web::Component::VariationImage
	... at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Component/VariationImage.pm
	... on line 87
	  Called by EnsEMBL::Web::Component::VariationImage::content in module EnsEMBL::Web::Component at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Component.pm on line 268
	  Called by EnsEMBL::Web::Component::get_content in module EnsEMBL::Web::Document::Panel at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Document/Panel.pm on line 435
	  Called by (eval) in module EnsEMBL::Web::Document::Panel at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Document/Panel.pm on line 432
	  Called by EnsEMBL::Web::Document::Panel::component_content in module EnsEMBL::Web::Document::Panel::Ajax at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Document/Panel/Ajax.pm on
	... line 26
	  Called by EnsEMBL::Web::Document::Panel::Ajax::content in module EnsEMBL::Web::Document::Element::Content at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Document/Element/Content.pm
	... on line 142
	  Called by EnsEMBL::Web::Document::Element::Content::content in module EnsEMBL::Web::Controller at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Controller.pm on line 468
	  Called by EnsEMBL::Web::Controller::render_page in module EnsEMBL::Web::Controller::Component at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Controller/Component.pm on
	... line 62
	  Called by EnsEMBL::Web::Controller::Component::init in module EnsEMBL::Web::Controller at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Controller.pm on line 112
	  Called by EnsEMBL::Web::Controller::process in module EnsEMBL::Web::Apache::SpeciesHandler at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Apache/SpeciesHandler.pm on
	... line 103
	  Called by EnsEMBL::Web::Apache::SpeciesHandler::handler in module EnsEMBL::Web::Apache::Handlers at
	... /nfs/public/ro/ensweb/live/plants/www_115/ensembl-webcode/modules/EnsEMBL/Web/Apache/Handlers.pm on line
	... 531
	  Called by EnsEMBL::Web::Apache::Handlers::handler in module main at -e on line 0
	  Called by (eval) in module main at -e on line 0