fatal error linked to page type

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My site is working just fine except for a particular page type that throws this error when i try to add add a page or edit the default page type:

"Fatal error: Uncaught exception 'ADODB_Exception' with message 'mysql error: [1064: 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] in EXECUTE("select akSelectAllowMultipleValues, akSelectOptionDisplayOrder, akSelectAllowOtherValues from atSelectSettings where akID = ?") ' in /home/bobbydowling/murray/concrete/libraries/3rdparty/adodb/adodb-exceptions.inc.php:78 Stack trace: #0 /home/bobbydowling/murray/concrete/libraries/3rdparty/adodb/adodb.inc.php(1042): adodb_throw('mysql', 'EXECUTE', 1064, 'You have an err...', 'select akSelect...', false, Object(ADODB_mysql)) #1 /home/bobbydowling/murray/concrete/libraries/3rdparty/adodb/adodb.inc.php(1017): ADOConnection->_Execute('select akSelect...', false) #2 /home/bobbydowling/murray/concrete/libraries/3rdparty/adodb/adodb.inc.php(1610): ADOConnection->Execute('select akSelect...', NULL) #3 /home/bobbydowling/murray/concrete/libraries/database.php(73): ADOConnection->GetRow('sel in /home/bobbydowling/murray/concrete/libraries/3rdparty/adodb/adodb-exceptions.inc.php on line 78"

I can add a page of a different type, and then switch the page template and everything works fine...

I (probably stupidly) got cute and tried to edit the page attributes in AttributeKeys directly. This error message is referencing the atSelectSettings table, so this may not be related?

Anyone have an idea why one page type might throw this error when everything else, including a page type that includes the same set of default Page Attributes, is working fine?

BigBobbyD