phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b191f2393fe725e889031d3af419a437' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b191f2393fe725e889031d3af419a437', -1, 1765986399, 1765986399, 'd849d884', 12, 0, 0)

Line : 187
File : sessions.php