Assets.car can't contain 16-bit or P3 assets if the app supports iOS 8 or earlier?

Question

Has anyone come across this error when uploading to iTunesConnect. Upload precess gets to \"Verifying assets with iTunes store\" the I get the following error:

Answer 1

Fixing by one command via terminal:

find . -type f -name '*.png' -print0 | while IFS= read -r -d '' file; do sips --matchTo '/System/Library/ColorSync/Profiles/sRGB Profile.icc' "$file" --out "$file"; done