phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('e24154f6e3748ec9b6f6e90f69e260c1', -1, 1414157427, 1414157427, '36a1b531', -4, 0, 0)

Line : 187
File : sessions.php