AJAX error - Runtime Error in component "EnsEMBL::Web::Component::Location::ViewBottom [content]"

Function EnsEMBL::Web::Component::Location::ViewBottom fails to execute due to the following error:

	Uncaught exception 'ORMException' with message 'insert() - DBD::mysql::st execute failed: Duplicate entry
	... 'session-208091275-auto_add-transcript_core_ensembl' for key 'record_type_code' at
	... /nfs/public/ro/ensweb-software/sharedsw/e113/paths/bioperl/Rose/DB/Object.pm line 1149.
	 at /nfs/public/ro/ensweb/live/grch37/www_113/ensembl-orm/modules/ORM/EnsEMBL/Utils/Exception.pm line 40.
	'
	  Thrown by EnsEMBL::Web::RecordSet::save in module EnsEMBL::Web::RecordManager at
	... /nfs/public/ro/ensweb/live/grch37/www_113/ensembl-webcode/modules/EnsEMBL/Web/RecordManager.pm on line 224
	  Called by EnsEMBL::Web::RecordManager::_save_record in module EnsEMBL::Web::RecordManager at
	... /nfs/public/ro/ensweb/live/grch37/www_113/ensembl-webcode/modules/EnsEMBL/Web/RecordManager.pm on line 156
	  Called by EnsEMBL::Web::RecordManager::set_record_data in module
	... EnsEMBL::Web::Component::Location::ViewBottom at
	... /nfs/public/ro/ensweb/live/grch37/www_113/ensembl-webcode/modules/EnsEMBL/Web/Component/Location/ViewBottom
	... .pm on line 99
	  Called by EnsEMBL::Web::Component::Location::ViewBottom::_add_object_track in module
	... EnsEMBL::Web::Component::Location::ViewBottom at
	... /nfs/public/ro/ensweb/live/grch37/www_113/ensembl-webcode/modules/EnsEMBL/Web/Component/Location/ViewBottom
	... .pm on line 67
	  Called by EnsEMBL::Web::Component::Location::ViewBottom::content in module EnsEMBL::Web::Component at
	... /nfs/public/ro/ensweb/live/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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/grch37/www_113/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