phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffbefbb9997bff28398cdd84ac8ca566' 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 ('ffbefbb9997bff28398cdd84ac8ca566', -1, 1715764773, 1715764773, '039132ce', 18, 0, 0)

Line : 187
File : sessions.php