Warning: A MySQL error occurred: Unknown column 'an' in 'where clause'

debug() output beginning:

Type: (string)
SELECT item_title FROM articles WHERE id = 405/an-enchanting-adventure-at-family-day

Ending script execution

Stack trace:
#0  debug() called at [/home/sites/afni.com/htdocs/inc/functions.inc.php:3607]
#1  query() called at [/home/sites/afni.com/htdocs/inc/functions.inc.php:3629]
#2  col() called at [/home/sites/afni.com/htdocs/inc/functions.inc.php:1906]
#3  getBreadCrumb() called at [/home/sites/afni.com/htdocs/inc/tokens.inc.php:203]
#4  require_once(/home/sites/afni.com/htdocs/inc/tokens.inc.php) called at [/home/sites/afni.com/htdocs/index.php:45]