phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4d9c0d04b8ab879ec40c186e925b2a78' 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 ('4d9c0d04b8ab879ec40c186e925b2a78', -1, 1715712262, 1715712262, '1274156d', 0, 0, 0)

Line : 187
File : sessions.php