Unable to restore a backup

Unable to restore a full backup. After add the snapshot-installer.php and run the process, it checks "wp-config", everything passed, I proceed to next and then new issue arrise:

Snapshot failed to restore your website package in "Restoring tables" phase
Reason: Unable to restore table 'wp_comments' from '/tmp/si_test/wp_comments.sql' because Table 'wordpress.wp_comments' doesn't exist

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