phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4d921c45ba8b5393f96c312e676aeb1b' 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 ('4d921c45ba8b5393f96c312e676aeb1b', -1, 1714939506, 1714939506, 'c0a80201', 18, 0, 0)

Line : 187
File : sessions.php