phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8466da867f0adf2ce57f7d7b7cd88b4f' for key 1

INSERT INTO cforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8466da867f0adf2ce57f7d7b7cd88b4f', -1, 1752363963, 1752363963, 'd849d8c4', -4, 0, 0)

Line : 187
File : sessions.php