Comment:
com.atlassian.confluence.api.service.exceptions.ConflictException: Object of class [com.atlassian.confluence.pages.Page] with identifier [10903519415]: optimistic locking failed; nested exception is org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect) : [com.atlassian.confluence.pages.Page#10903519415]