- **FSGetMountSource failed:** Same as -3 above, means no SD Card detected. Re-insert the SD and try again. This could also mean that the SD card is locked (Slider is down instead of up) or the SD card label is "WIIU", which is stated in the guide causes conflict. If it's not any of these issues, refer to the last suggestion from -3.
- **FSOpenFile failed [...] payload.elf:** Missing payload file on SD. Make sure you have payload.elf in the wiiu folder.
- **FSOpenFile failed [...] payload.elf:** Missing payload file on SD. Make sure you have payload.elf in the wiiu folder, and the wiiu folder on the root.
- **FSOpenFile failed:** Missing `homebrew_launcher` on SD. Make sure you have `homebrew_launcher.elf` in the <code>/wiiu<wbr>/apps<wbr>/homebrew_launcher</code> folder.
- **SD Mount Failed:** Similar to -4, the console recognizes the SD card but could not mount it. Make sure it is formatted properly. Also, your SD card is more compatible with reputable brands (i.e. SanDisk, Samsung, Lexar, etc.) and less likely to have issues.
- **SD Mount Failed:** Similar to -4, the console recognizes the SD card but could not mount it. Make sure it is formatted properly, and it is not damaged. Also, your SD card is more compatible with reputable brands (i.e. SanDisk, Samsung, Lexar, etc.) and less likely to have issues.
### Data Management asks to delete unnecessary data, what does it mean?