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 ('d50b8a5e4c23c9b0c73ff055d64a8cb3', -1, 1526977537, 1526977537, '36c45659', 1, 0, 0)

Line : 187
File : sessions.php