phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b973ff17936467d76b97cb6a73380d3e' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b973ff17936467d76b97cb6a73380d3e', -1, 1740876114, 1740876114, '12757280', -4, 0, 0)

Line : 187
File : sessions.php