phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b85b0f5dc0998c0409e4be7c453f590e' 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 ('b85b0f5dc0998c0409e4be7c453f590e', -1, 1770270165, 1770270165, 'd849d83c', 2, 0, 0)

Line : 187
File : sessions.php