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 ('7d8f5ee85e6981d1864786dae6d2cee9', -1, 1537587184, 1537587184, '36c617fb', 1, 0, 0)

Line : 187
File : sessions.php