phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './twcsg_phpb1/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 ('0d03e78d0d3e6fd8460ea13b3046fd6a', -1, 1425472955, 1425472955, '36c581f2', -1, 0, 0)

Line : 172
File : sessions.php