phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '081c0586399c10e6e9c9482ac4fc707b' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('081c0586399c10e6e9c9482ac4fc707b', -1, 1776008792, 1776008792, 'd849d8a3', -9, 0, 0)

Line : 187
File : sessions.php