UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Steps to reproduce the problem:
1. enter chroot:
2. ./setup_board --board=kukui
3. ./build_packages --board=kukui --accept_licenses=@CHROMEOS

What is the expected behavior?
build success

What went wrong?
1.I have type command repo sync -j8 -c --no-tags and the result is successfully as you can see figure_1

2.type ./build_packages --board=kukui --accept_licenses=@CHROMEOS and occured fatal error the message is 'modules/audio_processing/debug.pb.h' file not found as you can see figure_2

3. log file :package_build_log.txt

Did this work before? N/A 

Chrome version: 71.0.3578.98  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version:
 

Deleted: figure_1.JPG 126 KB

	figure_1.JPG 126 KB View Download

Deleted: figure_2.JPG 96.7 KB

	figure_2.JPG 96.7 KB View Download

Deleted: package_build_log.txt 21.5 KB

package_build_log.txt 21.5 KB View Download