Warning message in the logs concerning the UserAvatarAttachmentExtractor

[main] WARN  .c.a.ComponentAnnotationLoader - Component [org.xwiki.notifications.notifiers.internal.email.UserAvatarAttachmentExtractor] which implements [role = [class org.xwiki.notifications.notifiers.internal.email.UserAvatarAttachmentExtractor] hint = [default]] tried to overwrite component [org.xwiki.notifications.notifiers.internal.email.UserAvatarAttachmentExtractor]. However, no action was taken since both components have the same priority level of [1000].