phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb2/phpbb_eng_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_eng_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('560afbc3f69f3822d9855057cb3272fa', -1, 1513134845, 1513134845, '54ccfc03', 3, 0, 0)

Line : 187
File : sessions.php