phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b77973f213c6ede187e96e87b18e46bd' 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 ('b77973f213c6ede187e96e87b18e46bd', -1, 1757134247, 1757134247, 'd849d8a0', 22, 0, 0)

Line : 187
File : sessions.php