phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('6e7c72c16e14b32d14301641ec3b6e6c', -1, 1516659518, 1516659518, '365aed94', -1, 0, 0)

Line : 187
File : sessions.php