phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './foro/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 ('c87ee6f321c9b53f3a0a8fdde34f04d9', -1, 1414131555, 1414131555, '365ae320', 0, 0, 0)

Line : 187
File : sessions.php