Note:
Before you proceed, make sure you:
These steps should have you covered.
- Acquire basic brain functions.
- Read https://www.bnsbuddy.com/index.php?threads/common-errors-and-possible-fixes.39/
- Watch https://www.youtube.com/watch?v=6mmGP3Q1Or4
Filenscan is done via nclauncher(depending on the region you play on) to restore damaged/tampered/missing files.If you don't have that version, you are asked to read the notes on how to recover files.
I couldn't find any part for this note
Also, how to scan a file is not found in the information you provided.