phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '604b51737804b19a82f1e43f781431b2' 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 ('604b51737804b19a82f1e43f781431b2', -1, 1715892947, 1715892947, '03856dd3', -1, 0, 0)

Line : 187
File : sessions.php