What does the error "Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException" mean?

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The error "Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException" is an indication that the Bean 'documentationPluginsBootstrapper' failed to start due to a NullPointerException, which is typically caused by an attempt to invoke a method or access an object that is null. This error can occur in a Java-based application, and it usually indicates a problem with the configuration or initialization of the application. It is important to investigate this error and resolve it quickly, as it can have a significant impact on the application's functionality and reliability.