phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './myforum/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 ('35beab6de8f9b15d233a70ccf2d63056', -1, 1789643269, 1789643269, 'd849d8f5', -10, 0, 0)

Line : 187
File : sessions.php