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 ('f58c6a6318f5a66183ed24ad3e07c2f7', -1, 1414038500, 1414038500, '36575834', -1, 0, 0)

Line : 172
File : sessions.php