Hello. This is the Ragnarok Online: Zero operations team at Gravity Co., Ltd.
We have confirmed an issue where creating and entering Memorial Dungeons is not functioning smoothly, and this has been reported to the relevant department.
We sincerely apologize for the inconvenience this issue has caused to your gameplay, and we will do our best to ensure a swift resolution.
Any further updates or notice of normalization regarding this matter will be announced through an update to this notice.
Once again, we apologize for the inconvenience.
Thank You.