phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad1136a706862406804b4979f0b997ae' for key 'PRIMARY'

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ad1136a706862406804b4979f0b997ae', -1, 1770156095, 1770156095, 'd849d859', 10, 0, 0)

Line : 186
File : sessions.php