Cannot enable UART

[sunnychon]

When I try to enable the UART console(#define CONSOLE_UART 1)
it throws this error

┌──(sunny㉿IdeaPadPro5i)-[~/pico-rv32ima]
└─$ make
[ 0%] Built target bs2_default
[ 1%] Built target bs2_default_library
[ 21%] Built target ps2
[ 22%] Built target slower_boot2
[ 23%] Built target slower_boot2_library
[ 23%] Building C object pico-rv32ima/petitfatfs/CMakeFiles/petitfatfs.dir/mmcbbp.c.o
In file included from /home/sunny/pico-sdk/src/common/pico_stdlib_headers/include/pico/stdlib.h:14,
from /home/sunny/pico-rv32ima/pico-rv32ima/petitfatfs/mmcbbp.c:22:
/home/sunny/pico-sdk/src/rp2_common/hardware_uart/include/hardware/uart.h: In function 'uart_get_instance':
/home/sunny/pico-rv32ima/pico-rv32ima/petitfatfs/../rv32_config.h:38:23: error: called object is not a function or function pointer
38 | #define UART_INSTANCE uart0
| ^~~~~
make[2]: *** [pico-rv32ima/petitfatfs/CMakeFiles/petitfatfs.dir/build.make:90: pico-rv32ima/petitfatfs/CMakeFiles/petitfatfs.dir/mmcbbp.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:2009: pico-rv32ima/petitfatfs/CMakeFiles/petitfatfs.dir/all] Error 2
make: *** [Makefile:91: all] Error 2