phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a85dbef8d6472d345f7d5e84a7b2c145' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a85dbef8d6472d345f7d5e84a7b2c145', -1, 1766166316, 1766166316, 'd849d857', 2, 0, 0)

Line : 187
File : sessions.php