Bad interwiki links from dewiki to cat pages on Commons

SQL

USE etwiki_p;
(SELECT CONCAT ('# [[', REPLACE (wp.page_title, '_', ' '), ']]') AS wpage, 
	CONCAT ('→ [[:c:', REPLACE (iwl_title, '_', ' '), ']]') AS commonscat 
FROM iwlinks
INNER JOIN page wp ON wp.page_id = iwl_from
WHERE iwl_prefix ='commons'
AND wp.page_namespace = 0
AND iwl_title = 'Category:') #get incomplete links
UNION
(SELECT CONCAT ('# [[', REPLACE (wp.page_title, '_', ' '), ']]') AS wpage, CONCAT ('→ [[:c:', REPLACE (iwl_title, '_', ' '), ']]') AS commonscat FROM iwlinks
INNER JOIN page wp ON wp.page_id = iwl_from
INNER JOIN commonswiki_p.page cp ON CONCAT('Category:',cp.page_title) = iwl_title
INNER JOIN commonswiki_p.categorylinks ccl ON ccl.cl_from = cp.page_id
WHERE iwl_prefix ='commons'
AND wp.page_namespace = 0
AND iwl_title LIKE 'Category:%'
AND cp.page_namespace = 14
AND (cp.page_is_redirect = 1 OR ccl.cl_to = 'Category_redirects')
)
ORDER BY wpage
LIMIT 99;
SQL

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