I run the program step by step, when execute NRFX_IRQ_ENABLE(SAADC_IRQn);, it will go to app_error_fault_handler,.What's wrong ? I have do nothing with it!

I run the program step by step, when execute NRFX_IRQ_ENABLE(SAADC_IRQn);, it will go to app_error_fault_handler,.What's wrong ? I have do nothing with it!

Hi,
Are you using a example of ours or is it custom software?
Can you share the project or parts of it if it is custom?
Regards,
Jonathan