centos7.9迁移到openEuler 20.03 LTS SP3报错 Check DNF env error,please check repo file and try again请问怎么解决.

[Michaelchang]

centos7.9迁移到openEuler 20.03 LTS SP3报错 Check DNF env error,please check repo file and try again请问怎么解决.

[troyyangzb (TroyYang)]

是哪个步骤的报错，web界面截图看看