phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78d2310056716d22a9ecf00961d1ccb5' 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 ('78d2310056716d22a9ecf00961d1ccb5', -1, 1714651748, 1714651748, '12bf9dba', -8, 0, 0)

Line : 187
File : sessions.php