phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '85018a01dc493f25a6cbcf671e215690' 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 ('85018a01dc493f25a6cbcf671e215690', -1, 1792073076, 1792073076, 'd849d8e3', -10, 0, 0)

Line : 187
File : sessions.php