unknown column "state" in field list

I installed a script that is suppose to accept paypal, however on trying to
test a payment, I get this error msg:

Error
Database access error


and I get this error msg emailed to me:


Unknown column 'State' in 'field list'
Query: 'INSERT INTO `TransactionsMembership` (ID, Sum, State ) VALUES

what could be swrong, importantly how do I fix it?