Comment Errors in CVS

I apologize if this has already been submitted, but I am getting the following errors when trying to submit a comment -- which can be seen here: http://www.echochamberproject.com/comment/reply/624

"This discussion is closed: you can't post new comments."

warning: array_merge() [function.array-merge]: Argument #1 is not an array in /www/echochamberproject/includes/menu.inc on line 351.

warning: Missing argument 1 for comment_reply() in /www/echochamberproject/modules/comment.module on line 374.

warning: Invalid argument supplied for foreach() in /www/echochamberproject/modules/node.module on line 363.

warning: implode() [function.implode]: Bad arguments. in /www/echochamberproject/modules/node.module on line 366.

user 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
query: SELECT n.nid, n.vid, n.type, n.status, n.created, n.changed, n.comment, n.promote, n.moderate, n.sticky, r.timestamp AS revision_timestamp, r.title, r.body, r.teaser, r.log, r.format, u.uid, u.name, u.picture, u.data FROM node n INNER JOIN users u ON u.uid = n.uid INNER JOIN node_revisions r ON r.vid = n.vid WHERE in /www/echochamberproject/includes/database.mysql.inc on line 99.