phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1acdcff3f1ee4bdbee6e1c7bb0e4511a' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1acdcff3f1ee4bdbee6e1c7bb0e4511a', -1, 1714570379, 1714570379, '12d8baa4', -4, 0, 0)

Line : 187
File : sessions.php