How to include language in a query with xili-language ?

Fatal error: Uncaught Error: Call to a member function id() on array in /datas/vol3/w4a157845/var/www/2015.wp.xiligroup.org/htdocs/wp-content/plugins/crayon-syntax-highlighter/crayon_formatter.class.php:36 Stack trace: #0 /datas/vol3/w4a157845/var/www/2015.wp.xiligroup.org/htdocs/wp-content/plugins/crayon-syntax-highlighter/crayon_formatter.class.php(538): CrayonFormatter::format_code('', Array, Object(CrayonHighlighter)) #1 [internal function]: CrayonFormatter::delim_to_internal(Array) #2 /datas/vol3/w4a157845/var/www/2015.wp.xiligroup.org/htdocs/wp-content/plugins/crayon-syntax-highlighter/crayon_formatter.class.php(516): preg_replace_callback('#()#msi', 'CrayonFormatter...', '$faq_args = arr...') #3 /datas/vol3/w4a157845/var/www/2015.wp.xiligroup.org/htdocs/wp-content/plugins/crayon-syntax-highlighter/crayon_highlighter.class.php(166): CrayonFormatter::format_mixed_code('$faq_args = arr...', Object(CrayonLang), Object(CrayonHighlighter)) #4 /datas/vol3/w4a157845/var/www/2015.wp.xiligroup.org/htdocs/wp-content/plugins/c in /datas/vol3/w4a157845/var/www/2015.wp.xiligroup.org/htdocs/wp-content/plugins/crayon-syntax-highlighter/crayon_formatter.class.php on line 36