phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './vrforum/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 ('2de6ec2c1949ca7827fb4092783a2b51', -1, 1526915091, 1526915091, '36505209', 13, 0, 0)

Line : 187
File : sessions.php