phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15ac848f805d8208feb85e6080e2d964' 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 ('15ac848f805d8208feb85e6080e2d964', -1, 1743143985, 1743143985, '12bfa6c3', 1, 0, 0)

Line : 187
File : sessions.php