phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '491cfa1f0898884a97583528dca81f2c' 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 ('491cfa1f0898884a97583528dca81f2c', -1, 1715655992, 1715655992, '03815c39', -1, 0, 0)

Line : 187
File : sessions.php