phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('049b7241d1242e1fa0145efc16b3249a', -1, 1455330675, 1455330675, '365a947c', -1, 0, 0)

Line : 187
File : sessions.php