phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1d2f4b9e21bf90693ec0648e78f9ae2c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1d2f4b9e21bf90693ec0648e78f9ae2c', -1, 1767909493, 1767909493, '0aff0001', 39, 0, 0)

Line : 199
File : sessions.php