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 ('f4db645f833e057a78c3b3b58e3f3a90', -1, 1526977434, 1526977434, '36c45659', 1, 0, 0)

Line : 187
File : sessions.php