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Debug info: ORA-00905: missing keyword
SELECT COUNT(s.userid)
FROM m_assign_submission s
JOIN(SELECT DISTINCT eu2_u.id
FROM m_user eu2_u
JOIN m_role_assignments eu2_ra3 ON (eu2_ra3.userid = eu2_u.id AND eu2_ra3.roleid IN (5) AND eu2_ra3.contextid IN (1,3,57,128))
JOIN m_user_enrolments eu2_ue ON eu2_ue.userid = eu2_u.id
JOIN m_enrol eu2_e ON (eu2_e.id = eu2_ue.enrolid AND eu2_e.courseid = :o_eu2_courseid)
WHERE eu2_u.deleted = 0 AND eu2_u.id <> :o_eu2_guestid) AS e ON e.id = s.userid
WHERE
s.assignment = :o_assignid AND
s.timemodified IS NOT NULL AND
s.status = :o_submissionstatus
[array (
'o_eu2_courseid' => '5',
'o_eu2_guestid' => '1',
'o_assignid' => '8',
'o_submissionstatus' => 'draft',
)]
Error code: dmlreadexception
Stack trace:

line 426 of /lib/dml/moodle_database.php: dml_read_exception thrown
line 274 of /lib/dml/oci_native_moodle_database.php: call to moodle_database->query_end()
line 1101 of /lib/dml/oci_native_moodle_database.php: call to oci_native_moodle_database->query_end()
line 1382 of /lib/dml/moodle_database.php: call to oci_native_moodle_database->get_records_sql()
line 1035 of /lib/dml/oci_native_moodle_database.php: call to moodle_database->get_record_sql()
line 1455 of /lib/dml/moodle_database.php: call to oci_native_moodle_database->get_record_sql()
line 1626 of /lib/dml/moodle_database.php: call to moodle_database->get_field_sql()
line 1268 of /mod/assign/locallib.php: call to moodle_database->count_records_sql()
line 2846 of /mod/assign/locallib.php: call to assign->count_submissions_with_status()
line 421 of /mod/assign/locallib.php: call to assign->view_submission_page()
line 53 of /mod/assign/view.php: call to assign->view()