Pre-upgrade check failed, the value corresponding to dest_pkg_url is empty

Has anyone else encountered a similar issue? Need help, please :folded_hands:

Error message as shown in the figure below:

The x2openEuler deployment environment is openEuler 20.03-LTS-SP4.

The target upgrade environment is Red Hat 7.9.

The yum source is a locally hosted Nexus (yum proxy), configured with three repositories: everything, EPOL, and update.

The following is the repo configuration during the upgrade task:

The following shows the database support packages under the database path:

Try testing with a different source; this issue often occurs with Nexus-hosted sources, though the cause remains unclear.

I’ve tried the official version, and it’s the same issue.

Tested and confirmed that using the Huawei source with reposync to sync locally works. Thanks for your attention!