phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8f4b4c99b40c3a83ff65aafc2cb33be2' 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 ('8f4b4c99b40c3a83ff65aafc2cb33be2', -1, 1711659737, 1711659737, '2cd432dc', 0, 0, 0)

Line : 187
File : sessions.php