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 ('de010b090fa829bdd875b7c10618c28c', -1, 1481283115, 1481283115, '36d378b5', -4, 0, 0)

Line : 187
File : sessions.php