phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '646920b63a3b3a2340395918a742ba4d' 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 ('646920b63a3b3a2340395918a742ba4d', -1, 1715276308, 1715276308, '12756b5a', -8, 0, 0)

Line : 187
File : sessions.php