phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9f1855e0fdd1b057140c6aa9e6b7ad3c', -1, 1537362360, 1537362360, '36a2efe9', -19, 0, 0)

Line : 187
File : sessions.php