Unable to install cucumber plug in due to an error "Unable to read repository at https://cucumber.github.io/cucumber-eclipse-update-site-snapshot/content.xml."

[LisaNgTest]

Hello!
I'm unable to install Cucumber plugin from Marketplace due to the following error. Does anyone know how to fix it?
Unable to read repository at https://cucumber.github.io/cucumber-eclipse-update-site-snapshot/content.xml.
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target