# Istio灰度发布
- **[制品仓库中的文件不存在](https://support.huaweicloud.com/deployman_faq/deployman_faq_00101.html)**   
- **[Manifest文件中{{}}引用的参数在应用中未定义](https://support.huaweicloud.com/deployman_faq/deployman_faq_00102.html)**   
- **[制品仓库的Manifest文件地址写错](https://support.huaweicloud.com/deployman_faq/deployman_faq_00103.html)**