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 ('1ac0d2bba84eb18d7d1a43eb45a389a7', -1, 1526885461, 1526885461, '36e09718', 23, 0, 0)

Line : 187
File : sessions.php