phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b664e2e03742736c0213fa8b17932199' 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 ('b664e2e03742736c0213fa8b17932199', -1, 1771440366, 1771440366, 'd849d876', 1, 0, 0)

Line : 187
File : sessions.php