The fix is easy.

In scripts/domovethreads.inc.php

Code
	if ($pointer) {
		$query = "
		SELECT TOPIC_CREATED_TIME,TOPIC_SUBJECT,TOPIC_ICON,USER_ID
		FROM {$config['TABLE_PREFIX']}TOPICS
		WHERE  TOPIC_ID = ?
		";

replace TOPIC_CREATED_TIME with TOPIC_LAST_REPLY_TIME.

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