While on your 3Ds, 2Ds, or 3Ds - 2Ds XL many problems occur. When you receive an error there is usually a code, this page is dedicated to helping you understand what they are and how to fix them. This page is being updated regularly every time a new error code is found, remember to submit errors, etc. to LordofLeedle AJ.
Rare Error Codes
Error Code 007-0200
Error Code 007-0200 isn't common, nor uncommon but very rare. You receive this error code if you are updating or repairing software on your device, once you exit from the place you are updating/repairing the chosen item, downloaded items will be missing except for your theme which goes away as soon as you refresh or go into another item.
This problem can be fixed by going into Settings>Data Management>Nintendo 3DS>Software/Extra Data/Downloadable Content and deleting the 0 blocks file named "?", it may take a few tries to get rid of "?". If this doesn't fix your problem once you try it, take out your SD/microSD card and wipe it gently with a soft cloth or fabric and blow into the slot where it is inserted to blow off dirt and dust. If both these methods aren't working try contacting Nintendo. 1 (800) 255-3700 or firstname.lastname@example.org .
FORMATTING SYSTEM MEMORY WILL MAKE THE PROBLEM PERSIST AND WORSEN.