phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './toppyForum/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 ('7c5e0419dae6e11a565790951db9a0f7', -1, 1441153196, 1441153196, '36e37dc8', 9, 0, 0)

Line : 187
File : sessions.php