Error code 2002-6201 is displayed when downloading software on Nintendo Switch.
If a microSD card is inserted on the console, the save location will default to the microSD card when downloading or redownloading software.
What to Do:
Ensure your console has the latest system update.
Delete any problematic software and redownload it.
Is a microSD Card inserted in the console?
Power off the Nintendo Switch console and remove the microSD card.
Power on the console again and download the software directly to the system memory.
If, after completing the above, the Error Code does not appear continue using the console and monitor the situation.
If the error is occurring only while using a microSD card, try the following:
Once formatted, the information on the microSD card cannot be recovered. If screenshots are stored on the microSD card, be sure to first back up the information on a computer.
If downloadable software was saved to the microSD card, it can be redownloaded using the same Nintendo Account where it was purchased.
Use a different microSD card.
Situation Not Resolved
If you would like further assistance with the Nintendo Switch console, please contact Nintendo Customer Service.