phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './fishtalk/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 ('9161b4530fda29bd9ce8a16e490f6bce', -1, 1414813455, 1414813455, '36c56f57', -1, 0, 0)

Line : 189
File : sessions.php