phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './newklub31/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 ('7e48cd2e83814d6f9502aeebc4f6f77d', -1, 1472499946, 1472499946, '6b1665dd', -4, 0, 0)

Line : 187
File : sessions.php