phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/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 ('a1b837e4acd8f0b325d35814d78ca040', -1, 1537838633, 1537838633, '36e13b0e', -4, 0, 0)

Line : 187
File : sessions.php