phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '20b86c7f4e8ced7af69427ba9d208b70' 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 ('20b86c7f4e8ced7af69427ba9d208b70', -1, 1754357579, 1754357579, 'd849d8da', -9, 0, 0)

Line : 187
File : sessions.php