phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f784c54092aad8084c0a99727175e64e' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f784c54092aad8084c0a99727175e64e', -1, 1741059682, 1741059682, '12d9d03c', 0, 0, 0)

Line : 187
File : sessions.php