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 ('34ab15ee41b248a76c5d2b10d66f5c50', -1, 1493290631, 1493290631, '36503602', -1, 0, 0)

Line : 187
File : sessions.php