phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a2fc4bc11a1cda4b21ce97af107dc0f7' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a2fc4bc11a1cda4b21ce97af107dc0f7', -1, 1713946166, 1713946166, '12dab8d6', -4, 0, 0)

Line : 187
File : sessions.php