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 ('2ad29f100f7b71d4d4ad42e3e16d5f1e', -1, 1526915315, 1526915315, '36505209', 5, 0, 0)

Line : 187
File : sessions.php