Issue
I have installed CloudBees Deployer Plugin.
This plugin is deprecated and is known to cause issues if installed.
Environment
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CloudBees CI (CloudBees Core) on modern cloud platforms - Managed controller
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CloudBees CI (CloudBees Core) on modern cloud platforms - Operations Center
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CloudBees CI (CloudBees Core) on traditional platforms - Client controller
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CloudBees CI (CloudBees Core) on traditional platforms - Operations Center
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CloudBees Jenkins Enterprise
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CloudBees Jenkins Enterprise - Managed controller
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CloudBees Jenkins Enterprise - Operations center
Resolution
Please uninstall this plugin. See https://www.jenkins.io/doc/book/managing/plugins/#uninstalling-a-plugin