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 ('51a99859b8c1b0f6c7ed7aafccffe1ac', -1, 1534685906, 1534685906, '36c67e6e', -9, 0, 0)

Line : 187
File : sessions.php