DB Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 11

Input Array does not match ?: SELECT DISTINCT
				aa.paper_id
			FROM paper_authors aa
				LEFT JOIN papers a ON (aa.paper_id = a.paper_id)
				LEFT JOIN paper_author_settings aslfn ON (aa.author_id = aslfn.author_id AND aslfn.setting_name = 'Alexander')
				LEFT JOIN paper_author_settings aslmn ON (aa.author_id = aslmn.author_id AND aslmn.setting_name = 'M.')
				LEFT JOIN paper_author_settings aslln ON (aa.author_id = aslln.author_id AND aslln.setting_name = 'Boronachin')
				LEFT JOIN paper_author_settings aslaf ON (aa.author_id = aslaf.author_id AND aslaf.setting_name = '&lt;p&gt;Saint Petersburg Electrotechnical Univeristy &amp;ldquo;LETI&amp;rdquo;&lt;/p&gt;')
			WHERE a.status = 3
				AND aslfn.setting_value = 'RU'
				AND (aslmn.setting_value = <br>
<h1>DB Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 11</h1>