agl-demo-platform-crosssdk error ; do_fetch in nativesdk-gn

when I build agl-demo-platform-crosssdk but fetch error is happened.

Because "https://tmp.igalia.com/chromium-tarballs/chromium-wayland-8eb8619a.tar.xz'  is not found.

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ERROR: nativesdk-gn-20170928.r499098.git8eb8619a-r0 do_fetch: Fetcher failure: Fetch command export PATH="/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/sysroots-uninative/x86_64-linux/usr/bin:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/usr/bin/tar-native:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/usr/bin/chrpath-native:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/poky/scripts:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/usr/bin/x86_64-aglsdk-linux:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot/opt/poky-agl/5.90.0+snapshot/sysroots/x86_64-aglsdk-linux/usr/bin/crossscripts:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/usr/sbin:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/usr/bin:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/sbin:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/work/x86_64-nativesdk-aglsdk-linux/nativesdk-gn/20170928.r499098.git8eb8619a-r0/recipe-sysroot-native/bin:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/poky/bitbake/bin:/mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/tmp/hosttools"; export HOME="/home/kurokawa"; /usr/bin/env wget -t 2 -T 30 -nv --passive-ftp --no-check-certificate -P /mnt/4995bda9-20d8-475c-9862-aa80a58d13c4/kurokawa/bldwork/AGL/20180228-master/build_m3/downloads 'https://tmp.igalia.com/chromium-tarballs/chromium-wayland-8eb8619a.tar.xz' --progress=dot -v failed with exit code 8, output:
--2018-02-28 15:15:02-- https://tmp.igalia.com/chromium-tarballs/chromium-wayland-8eb8619a.tar.xz
Resolving tmp.igalia.com (tmp.igalia.com)... 87.98.146.135
Connecting to tmp.igalia.com (tmp.igalia.com)|87.98.146.135|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2018-02-28 15:15:06 ERROR 404: Not Found.