phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '647710b4f13e7c5da3cce70b1f6d9c69' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('647710b4f13e7c5da3cce70b1f6d9c69', -1, 1714604477, 1714604477, '03152200', -8, 0, 0)

Line : 187
File : sessions.php