Upgrading UPM causes a plugin license to be invalid
After an upgrade of the Universal Plugin Manager, some plugins report that the entered license is invalid.
This happens because of an incompatibility of license types between JIRA and the plugin which is more strictly enforced in newer release of the Universal Plugin Manager.
Log onto your account at my.atlassian.com to generate an evaluation key for the plugin(s) affected for use until the license issue can be sorted out.
Contact the Atlassian Sales Team to get the license issue addressed. They can be contact at email@example.com