MySQL Error

SCRIPT:
Number of MySQL function calls: 11
SQL statement:

SELECT *, cms_rd_name as description FROM referenzen r LEFT JOIN referenzen_desc d ON (r.cms_referenzen_id = d.cms_rd_referenzen_id AND d.cms_language = 'de_de') LEFT JOIN verlegebetriebe v ON (v.vb_id = r.cms_referenzen_verlegebetrieb) WHERE trash = 'N' AND r.cms_referenzen_id = '149'

MySQL error message: Column 'trash' in where clause is ambiguous

Kernel-Stack:

#	File	Line	Call	Arguments
1.	index.php	4	include	/srv/shell/shellkernel/kernel.php
2.	kernel.php	980	siteloader->execModules
3.	siteloader.inc	2625	js_showcategorycontent->main
4.	module.inc	788	js_showcategorycontent->handleReferenceView
5.	module.inc	467	js_showcategorycontent->loadReference	149
6.	module.inc	723	MySQL->getRow	referenzen r LEFT JOIN referenzen_desc d ON (r.cms_referenzen_id = d.cms_rd_referenzen_id AND d.cms_language = 'de_de') LEFT JOIN verlegebetriebe v ON (v.vb_id = r.cms_referenzen_verlegebetrieb) *, cms_rd_name as description trash = 'N' AND r.cms_referenzen_id = '149'