Homebrew why my nro app is making my switch crash

[Rustypan]

Hey , i am a little dev , i am not very strong in C, but my app is making crashing my switch under firmware 10.1.0 , and ReINX 3.0 . I have the error 2162-0002(0x4a2) when i try to launch my app :/
Joined main.c , and the makefile thx for your help
main.c : https://drive.google.com/file/d/1WC_kd4pl4zbpUc_r8sVt34RI4L3OEtu4/view?usp=sharing
and makefile : https://drive.google.com/file/d/1VMBx1IdTy7bUiPQIQqV2UALWGHw8Mdga/view?usp=sharing
THX FOR HELP
edit : here is all the source code app : https://github.com/alexdieu/switchdesk/tree/master/App

 

[HideoKojima]

Do you have any themes applied?

 

[Rustypan]

nope

 

[Goginha]

Maybe it is because of a sys-module