Reinstalling CFW after System format ?

[TheSpearGuy]

I formatted my 2DS because I want to sell it
It had CFW on it, now everything is normal again except when I remove the SD card I get the following error

An exception occurred
Proccesor: ARM11 (core 1)
Exception type: undefined Instruction
Current process: pm (0000000000000000)

R0 E0E01BF5 R1 00000000
R2 00000000 R3 00000000
R4 00001000 R5 00000000
R6 00000017 R7 FFFFFFFE
R8 D88007FA R9 00000000
R10 00000000 R11 0000000
R12 00000000 SP 0FFFFFC8
LR 00100C8C PC 00100C14
CPSR A0000010 FPEXC 00000000

Is there a way to reinstall LumaCFW with a fresh SD Card ?