This can cause the game server to shut down if it decides to reject the packet. If this is the case, you can solve this problem by going into the network card settings and disabling the bulk upload feature.ĭamaged game files: it is also possible that this error code is caused by a corrupted or bad packet being sent. Large Send Offload is Enabled: It turns out that this network adapter setting, which is designed to prevent large packets from being split into smaller packets with individual headers by a high-level protocol such as TCP, can affect the stability of Final Fantasy XVI. If this scenario applies, you can solve the problem by rebooting or resetting your router. What causes error 90002 in Final Fantasy XIVĬommon IP / TCP mismatch: One of the most common causes of this problem is a problem with your current assigned IP address or a transmission control protocol mismatch.