When user make any changes in existing annotations or create a new, the deleted sets can be successfully saved. Otherwise, only deletion won't be regarded as change and won't be saved.
Solution: we can let user create comment when they want to delete sets.
When user make any changes in existing annotations or create a new, the deleted sets can be successfully saved. Otherwise, only deletion won't be regarded as change and won't be saved.
Solution: we can let user create comment when they want to delete sets.