SQL error on balance report

On a fresh install, on admin/reports/balances, I get the following error:

user warning: 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 'ISTINCT b1.uid) FROM balance_items b1' at line 1 query: SELECT COUNT(D	ISTINCT b1.uid) FROM balance_items b1 in /home/leonth/webapps/leapon_net/sites/all/modules/balance_tracker/balance_tracker.module on line 675.
user warning: Unknown column 'bi1.balance' in 'order clause' query: SELECT b1.uid, (SELECT b.balance FROM balance_items b WHERE b.uid = b1.uid ORDER BY b.bid DESC LIMIT 0,1) as balance FROM balance_items b1 GROUP BY b1.uid ORDER BY bi1.balance DESC LIMIT 0, 50 in /home/leonth/webapps/leapon_net/sites/all/modules/balance_tracker/balance_tracker.module on line 675.

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