You receive the error code 2168-0002 when playing Nintendo Switch.
Complete These Steps:
Power the console off and then back on again.
Check to see if a system update is available that has not yet been installed on your Nintendo Switch console.
Play your system and see if the error code appears again.
If the error does not occur again, continue to use the system as normal.
What to Do:
If the error code persists, please contact Nintendo Customer Service.