The DPL extension (version 2.3.0) produced a SQL statement which lead to a Database error.
The reason may be an internal error of DPL or an error which you made,
especially when using DPL options like titleregexp.
Query text is:
SELECT DISTINCT `page`.page_namespace AS page_namespace,`page`.page_title AS page_title,`page`.page_id AS page_id, rev_user, rev_user_text, rev_comment, rev_timestamp FROM `revision` AS rev, `revision` AS `change_rev`, `page` WHERE 1=1 AND `page`.page_is_redirect=0 AND `page`.page_id=rev.rev_page AND rev.rev_timestamp=( SELECT MIN(rev_aux.rev_timestamp) FROM `revision` AS rev_aux WHERE rev_aux.rev_page=rev.rev_page ) AND change_rev.rev_user = '3403151' AND change_rev.rev_page = page_id ORDER BY rev_timestamp ASC LIMIT 500 OFFSET 0

Error message is:
Column 'rev_user' in field list is ambiguous (geo-db-e-slave.query.consul.)

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