phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '971b99e475799ad86a300d6dad71dd62' 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 ('971b99e475799ad86a300d6dad71dd62', -1, 1715802824, 1715802824, '03815c39', -4, 0, 0)

Line : 187
File : sessions.php