Hi! This error may appear on phones without Google Play Services (Huawei etc.). Please uninstall, then reinstall via GBOX (green icon) — open GBOX or Huawei AppGallery. Avoid APK downloads (APKMirror, APKPure, Aptoide) — they skip GBOX and trigger the error. Update your review if this works, or email hi@checkpoint.sg for help. Thanks!