this code works for rpi 4 model B but not working for rpi 5

This code is not working for RPI 5 it shows some debug error related to permissions, 
error is like:

Debug file information:
Note: Using POSIX realtime
The GPIO line GPIO16 can not be found
hal_gpio: rtapi_app_main: Operation not permitted (-1)
./xy.hal:8: waitpid failed /usr/bin/rtapi_app hal_gpio
./xy.hal:8: /usr/bin/rtapi_app exited without becoming ready
./xy.hal:8: insmod for hal_gpio failed, returned -1
1564
Stopping realtime threads
Unloading hal components
Note: Using POSIX realtime

Anybody has any idea to solve this problem kindly reply.

Have a read thru this thread.
forum.linuxcnc.org/9-installing-linuxcnc...4-and-raspberry-pi-5

yes i read thru this thread. Do u have any idea ?

My guess is gpio16 does not exist. remove it