phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9decfa86a9bfa128e88332488324aec8' 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 ('9decfa86a9bfa128e88332488324aec8', -1, 1714344716, 1714344716, '12dc89a4', 2, 0, 0)

Line : 187
File : sessions.php