Verify you have enough space for both the and the installed game . If a game is 1GB, you generally need 2GB free to complete the install via FBI.
: When using QR code remote installs, a timed-out connection can throw a resource-related error. Common Fixes
Do not select multiple .cia files for batch installation. Instead:
The most common culprit. FBI opens files sequentially. If your SD card’s allocation table is heavily fragmented (common after repeatedly deleting and adding games), the 3DS’s limited I/O buffer gets overwhelmed trying to map the file locations.
The "Out of Resource" error in the 3DS FBI application typically occurs when the system cannot complete a file operation due to insufficient SD card space system memory (RAM) exhaustion 1. Free Up Storage Space
