Hi all, my prolem is with updating ojs.
Issue:
[code: Installer Installer::removeCancelledReviewAssignments]
PHP Fatal error: Uncaught Error: Call to a member function getContextId() on null in /home/sites/casopisespes/lib/pkp/classes/submission/reviewAssignment/ReviewAssignment.inc.php:542
Stack trace:
#0 /home/sites/casopisespes/lib/pkp/classes/submission/reviewAssignment/ReviewAssignment.inc.php(518): ReviewAssignment->isRead()
#1 /home/sites/casopisespes/lib/pkp/classes/submission/reviewRound/ReviewRound.inc.php(213): ReviewAssignment->getStatus()
#2 /home/sites/casopisespes/lib/pkp/classes/submission/reviewRound/ReviewRoundDAO.inc.php(260): ReviewRound->determineStatus()
#3 /home/sites/casopisespes/lib/pkp/classes/submission/reviewAssignment/ReviewAssignmentDAO.inc.php(467): ReviewRoundDAO->updateStatus(Object(ReviewRound))
#4 /home/sites/casopisespes/lib/pkp/classes/submission/reviewAssignment/ReviewAssignmentDAO.inc.php(544): ReviewAssignmentDAO->updateReviewRoundStatus(Object(ReviewAssignment))
#5 /home/sites/casopisespes/classes/install/Upgrade.inc.php(2048): ReviewAssignmentDAO->deleteById(‘40’)
#6 /home/sites/casopisespes in /home/sites/casopisespes/lib/pkp/classes/submission/reviewAssignment/ReviewAssignment.inc.php on line 542
I think I tried everything what I know and what google know 
I tried this all things, but still with same issue.
CREATE TABLE review_rounds_old SELECT * FROM review_rounds;
DELETE FROM review_rounds WHERE review_round_id NOT IN (SELECT MIN(review_round_id) FROM review_rounds_old GROUP BY submission_id, round);
DROP TABLE review_rounds_old;
DROP TABLE submission_galley_settings;
DROP TABLE review_round_files;
DROP TABLE review_files;
DELETE FROM article_xml_galleys WHERE article_id NOT IN (SELECT article_id FROM articles);
DELETE FROM article_comments WHERE article_id NOT IN (SELECT article_id FROM articles);
DELETE FROM comments WHERE submission_id NOT IN (SELECT article_id FROM articles);
DELETE FROM metrics WHERE submission_id NOT IN (SELECT article_id FROM articles);
DELETE FROM review_rounds WHERE submission_id NOT IN (SELECT article_id FROM articles);
DELETE FROM review_assignments WHERE review_id IN (SELECT review_id FROM review_assignments ra LEFT JOIN articles a ON (ra.submission_id = a.article_id) WHERE a.article_id IS NULL);
DELETE FROM review_form_responses WHERE review_id IN (SELECT review_id FROM review_assignments WHERE submission_id NOT IN (SELECT article_id FROM articles));
DELETE FROM review_assignments WHERE submission_id NOT IN (SELECT article_id FROM articles);
DELETE FROM article_comments WHERE article_id NOT IN (SELECT article_id FROM articles);
Could somebody help me with this problem.
Thank you.