this error is because the installed game has been modified or converted by xci, so the latest tin foil can be installed. The solution steps are: < br > 1. Download tinfoil.nro from tinfoil.io and put it in the switch directory; < br > 2。 Install any game that can be installed in the switch, and then press and hold r to enter the game < br > 3. Open the tin foil, and open "Install unsigned code" in the option. You need the password < br > < Nintendo Switch (Japanese: ニンテンド). It has a detachable controller and a detachable host. The game carrier uses a special cassette, and the host processor uses Tegra X 1 customized by NVIDIA. < < br > > The game machine was released in Japan, North America, Europe and China on March 3, 20 17, and in Korea and Taiwan Province Province of China on February 1 7 of the same year. Since NS went on the market in March, 20 17, its sales volume has exceeded140,000 units in just nine months, exceeding the cumulative total sales volume of Wiiu13.5 million units. By the end of 2020, 65438+February, 3 1, the sales of switch hosts will be 79.87 million units. On June 65438+1October 1 1, Nintendo Switch organic light-emitting diode was listed and sold in China.