Since I updated my sts it does not allow me to open the marketplace or any link that is from the marketplace. It always shows me the following error:
In case it is not appreciated, the error when giving it in details says:
Can not open Eclipse Marketplace Can not install remote marketplace locations: org.eclipse.epp.internal.mpc.core.ServiceLocator can not be cast to org.eclipse.epp.mpc.core.service.IMarketplaceServiceLocator org.eclipse.epp.internal.mpc.core.ServiceLocator can not be cast to org.eclipse.epp.mpc.core.service.IMarketplaceServiceLocator org.eclipse.epp.internal.mpc.core.ServiceLocator can not be cast to org.eclipse.epp.mpc.core.service.IMarketplaceServiceLocator org.eclipse.epp.internal.mpc.core.ServiceLocator can not be cast to org.eclipse.epp.mpc.core.service.IMarketplaceServiceLocator