Good morning! Thank you for posting in the Final Fantasy XIV Technical Support Forums.

We apologize for any inconvenience experienced when trying to play Final Fantasy XIV. Please note, the reported issue may be related to a known issue with regards to the Xbox version of the game:
https://na.finalfantasyxiv.com/lodes...8406d28f47a951

At this time the issue is being investigated, please note the likelihood of encountering memory fragmentation is reduced when playing on Worlds with relatively low populations due to the lower chances of encountering large numbers of characters on screen at the same time. Until we have resolved the issue, we kindly suggest you consider playing on either the Dynamis, Shadow, or Oceania data centers.

Thank you once again for visiting the Final Fantasy XIV Technical Support Forums!