I am porting NuttX to a STM32F401 board and I’m getting this error:

ABCDF
mm_initialize: Heap: start=0x200017b0 size=92240
mm_addregion: Region 1: base=0x200017b0 size=92240
irq_unexpected_isr: ERROR irq: 3
up_assert: Assertion failed at file:irq/irq_unexpectedisr.c line: 65
up_registerdump: R0: 80000000 200017b8 20017ff8 00016840 200011d4 200017b0 20018000 00016840
up_registerdump: R8: 00000000 00000000 00000000 00000000 00000000 20001770 08003c67 08003c90
up_registerdump: xPSR: 21000200 PRIMASK: 00000000 CONTROL: 00000000
up_registerdump: EXC_RETURN: fffffff9
up_dumpstate: sp:     20000bb0
up_dumpstate: IRQ stack:
up_dumpstate:   base: 20000c00
up_dumpstate:   size: 00000800
up_stackdump: 20000ba0: 20000bb0 00000400 20000c00 08000cdb 00000000 00000000 00000000 00000000
up_stackdump: 20000bc0: 20001770 08003c67 08003c90 0800e8a4 00000000 0800159d 08001581 08001561
up_stackdump: 20000be0: 00000000 080012c1 00000000 20001724 200017b0 20018000 00016840 08000df7
up_dumpstate: sp:     20001770
up_dumpstate: User stack:
up_dumpstate:   base: 200017ac
up_dumpstate:   size: 00000400
up_stackdump: 20001760: 00000000 08003c67 08003c90 21000200 00000001 200017b0 00016850 20000ccc
up_stackdump: 20001780: 20000ccc 20000c04 00000003 20000d9c 080013cb 200017b0 00016850 00000000
up_stackdump: 200017a0: 0800020d 00000000 ffffffff 00000000 00000008 80000000 00016840 00000008