phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'adcdd8b78fe7cfb9cf22ebe08c9fdac9' 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 ('adcdd8b78fe7cfb9cf22ebe08c9fdac9', -1, 1752560853, 1752560853, 'd849d87d', -4, 0, 0)

Line : 187
File : sessions.php