phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '87751a1860bce6e57016e983b777df3f' 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 ('87751a1860bce6e57016e983b777df3f', -1, 1714844792, 1714844792, '03915ddd', -8, 0, 0)

Line : 187
File : sessions.php