The issue can be reproduced during any refactoring operation on an annotation page: copying, moving, and/or renaming. This situation has been commented in product, https://github.com/xwiki/xwiki-platform/blob/8667e4be7e60494b34938918bc4566eb1bfceaa8/xwiki-platform-core/xwiki-platform-annotation/xwiki-platform-annotation-io/src/main/java/org/xwiki/annotation/io/internal/DefaultIOService.java#L143-L150
