phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a39808e54c676bbdb2ad5c8654342506' 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 ('a39808e54c676bbdb2ad5c8654342506', -1, 1715772516, 1715772516, '03919ab9', -4, 0, 0)

Line : 187
File : sessions.php