You are unable to complete the match-making process and receive the error code 2618-0516.
This error code generally indicates that your network is not optimal for peer to peer connections, likely due to your network's NAT type.
What to Do:
If you receive this error code every time you attempt to connect with others, or when attempting to connect with a specific player, walk through our steps to troubleshoot NAT related issues.
Situation Not Resolved:
If you are still unable to connect, this may indicate an issue related to the network environment or wireless gateway being used.
If you would like to continue troubleshooting potential issues related to the gateway, contact the device's manufacturer for assistance with performing the following steps:
Updating the gateway's firmware
Resetting the gateway back to its factory default settings
If you would like further assistance with the Nintendo Switch console, please contact Nintendo Customer Service.