On this page, you will find more information about the most common causes and most relevant solutions for the CloudBees CI error 'DuplicatePlugin'. Do you need help straight away? Visit our support page.
The CloudBees documentation indicates that error code 'DuplicatePlugin' is caused by the following problem: "When a plugin is created, the system found an existing plugin with the same key and version.".
Do you think there is another cause for this error? Let others know in the comments.