"sketch/app_httpd.cpp: In function 'esp_err_t stream_handler(httpd_req_t*)':
app_httpd.cpp:770:37: error: 'ra_filter_run' was not declared in this scope
uint32_t avg_frame_time = ra_filter_run(&ra_filter, frame_time);
^~~~~~~~~~~~~
sketch/app_httpd.cpp:770:37: note: suggested alternative: 'ra_filter_t'
uint32_t avg_frame_time = ra_filter_run(&ra_filter, frame_time);
^~~~~~~~~~~~~
ra_filter_t
Multiple libraries were found for "WiFi.h"
Used: /Users/jamesbrake/Library/Arduino15/packages/m5stack/hardware/esp32/2.0.4/libraries/WiFi
Not used: /Applications/Arduino.app/Contents/Java/libraries/WiFi
exit status 1
'ra_filter_run' was not declared in this scope"

Any ideas?

Mac OS
Arduino IDE 1.8.4

Thanks!