phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '977b5b9263f21d5ade4dc254a98dc580' 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 ('977b5b9263f21d5ade4dc254a98dc580', -1, 1715781871, 1715781871, '03946818', -4, 0, 0)

Line : 187
File : sessions.php