Error Unable to read package metadata.This may be due to a missing repodata directory.Please ensure that your install tree has been correctly generated. Cannot retrieve repository metadata(repomd.xml) for repository:CentOs. Please verify its path and try again. ('custom',[_Exit installer],'Edit','_Retry'，‘_Continue’)]
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Unable to read package metadata. This may be due to missing repodata directory. Please ensure that your install tree has been correctly generated.
Becase I verify the repodata,the file is right.
