Nasty database error when submitting (photography)

Warning: implode() [function.implode]: Invalid arguments passed in /var/www/artician.com/htdocs/classes/activity.php on line 145

Warning: Database Error.
Query: INSERT INTO `users_activity_submissions` (`uid`,`cid`) VALUES
MySQL error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
MySQL error ID:
Backtrace:

#0  db_error(INSERT INTO `users_activity_submissions` (`uid`,`cid`) VALUES ) called at [/var/www/artician.com/htdocs/includes/mysql.php:260]
#1  db_n(INSERT INTO `users_activity_submissions` (`uid`,`cid`) VALUES ) called at [/var/www/artician.com/htdocs/classes/activity.php:147]
#2  activity::announceNewSubmission(22552, 234904) called at [/var/www/artician.com/htdocs/classes/submissions.php:1053]
#3  submissions::createSubmission(Array ([SCRAP] => 0,[TITLE] => Lauren - Model Shoot,[DESCRIPTION] => For a UK-based modelling agency,[LIT_TEXT] => ,[WIDTH] => 2048,[HEIGHT] => 1360,[FILE] => Array ([orig1] => /mnt/ArticianMedia/Uploads/inc/22552_1253358996_1.jpg,[orig_thumb1] => /mnt/ArticianMedia/Store/22552_1253 in /var/www/artician.com/htdocs/includes/mysql.php on line 209



Warning:  Database Error.
Query:
MySQL error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
MySQL error ID:
Backtrace:

#0  db_error() called at [/var/www/artician.com/htdocs/classes/activity.php:151]
#1  activity::announceNewSubmission(22552, 234904) called at [/var/www/artician.com/htdocs/classes/submissions.php:1053]
#2  submissions::createSubmission(Array ([SCRAP] => 0,[TITLE] => Lauren - Model Shoot,[DESCRIPTION] => For a UK-based modelling agency,[LIT_TEXT] => ,[WIDTH] => 2048,[HEIGHT] => 1360,[FILE] => Array ([orig1] => /mnt/ArticianMedia/Uploads/inc/22552_1253358996_1.jpg,[orig_thumb1] => /mnt/ArticianMedia/Store/22552_1253358996_1,[hash1] => DZMOA5PT72XKJTC47RJPHLZGQZC7ZUVH,[info1] => a:5:{s:4:\"size\";i:1007923;s:4:\"mime\";s:10:\"image/jpeg\";s:3:\"ext\";s:4:\".jpg\";s:5:\"width\";i:2048;s:6:\"height\";i:1360;},[orig2] => /mnt/ArticianMedia/Uploads/inc/22552_1253358996_2,[orig in /var/www/artician.com/htdocs/includes/mysql.php on line 209

Thank you for submitting to Artician.