phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './amcqfmxp_phpbb1/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 ('4d4d8275ce2cfa79fcdb8c57568383bf', -1, 1436150995, 1436150995, '3651dfea', 11, 0, 0)

Line : 187
File : sessions.php