phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tripleac_Forum/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 ('aea8149a5eea3876bea2d4099e2890a4', -1, 1455360484, 1455360484, '365b8855', -1, 0, 0)

Line : 187
File : sessions.php