phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '12b66f748a1bfa040762f25a7fedfddd' 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 ('12b66f748a1bfa040762f25a7fedfddd', -1, 1765950924, 1765950924, '00000000', 30, 0, 0)

Line : 187
File : sessions.php