phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4977464ff848a00a03f0eb076b577ca6' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4977464ff848a00a03f0eb076b577ca6', -1, 1715786876, 1715786876, '12bc789f', -4, 0, 0)

Line : 187
File : sessions.php