After upgrade to 2.8.5+ weekly build. It gives dmlwriteexception when creating a quiz on course, where already have created quiz with older version of moodle.

Debug info: 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 '2
WHERE itemid = '799' AND userid = '980'' at line 3
UPDATE mdl_grade_grades
SET aggregationstatus = 'used',
aggregationweight = ?
WHERE itemid = ? AND userid = ?
[array (
0 => 0.20000000000000001,
1 => 799,
2 => '980',
)]
Error code: dmlwriteexception
Stack trace:
line 446 of \lib\dml\moodle_database.php: dml_write_exception thrown
line 974 of \lib\dml\mysqli_native_moodle_database.php: call to moodle_database->query_end()
line 808 of \lib\grade\grade_category.php: call to mysqli_native_moodle_database->execute()
line 761 of \lib\grade\grade_category.php: call to grade_category->set_usedinaggregation()
line 509 of \lib\grade\grade_category.php: call to grade_category->aggregate_grades()
line 685 of \lib\grade\grade_item.php: call to grade_category->generate_grades()
line 1102 of \lib\gradelib.php: call to grade_item->regrade_final_grades()
line 334 of \course\modlib.php: call to grade_regrade_final_grades()
line 166 of \course\modlib.php: call to edit_module_post_actions()
line 266 of \course\modedit.php: call to add_moduleinfo()

From mysql heres the line with itemid=799 and userid=980

INSERT INTO `mdl_grade_grades` (`id`, `itemid`, `userid`, `rawgrade`, `rawgrademax`, `rawgrademin`, `rawscaleid`, `usermodified`, `finalgrade`, `hidden`, `locked`, `locktime`, `exported`, `overridden`, `excluded`, `feedback`, `feedbackformat`, `information`, `informationformat`, `timecreated`, `timemodified`, `aggregationstatus`, `aggregationweight`) VALUES
(43871, 799, 980, '10.00000', '10.00000', '0.00000', NULL, 980, '10.00000', 0, 0, 0, 0, 0, 0, NULL, 0, NULL, 0, 1427119797, 1427119797, 'unknown', NULL);