phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81a957b1da1b9bf6645a2db5ccc93aa9' 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 ('81a957b1da1b9bf6645a2db5ccc93aa9', -1, 1715434491, 1715434491, '03908f1f', -6, 0, 0)

Line : 187
File : sessions.php