phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dfb0de1fa25b6dae21a0f048e1e48703' 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 ('dfb0de1fa25b6dae21a0f048e1e48703', -1, 1768700310, 1768700310, '00000000', -9, 0, 0)

Line : 187
File : sessions.php