We've heard from a number of Switch owners affected who have tried the above steps to no avail.
According to one long thread on the issue on reddit, Nintendo customer support in the US is aware of the problem and will walk you through resetting your system's cache over the phone - though again, this apparently also does not fix the error."The system occasionally tells me that a game was installed on a SD card and that I need to reinstall that SD card in the system to continue.
In the meantime, we've asked Nintendo UK for an update on what's going on!Hopefully Nintendo doesn't stealth drop something on the eShop next week following its E3 Direct with this still a problem.More about Nintendo Switch.Epic Games doesn't want Fortnite on Xbox Cloud Gaming