phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forumcr/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 ('51b06dbd0323a97cc8c2786145f8a24d', -1, 1441060635, 1441060635, '36a33462', 39, 0, 0)

Line : 187
File : sessions.php