Although this has already solved in the latest code, we would like to report that updated records are not able to be deleted in daily scheduled cron and it was caused by a permission error.
By adding the following code in line 16 of oaiharvester.batch.inc, we avoided this issue by executing the code as root.

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global $user;
$user = user_load(1);
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CommentFileSizeAuthor
oaiharvester.batch_.zip10.42 KBshkata
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