phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '878b39524bf826097bf796fbc5e6306a' 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 ('878b39524bf826097bf796fbc5e6306a', -1, 1715145807, 1715145807, '12bf2e24', 0, 0, 0)

Line : 187
File : sessions.php