phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '09c5e7d108b16d068bba2d1b8d5fc177' 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 ('09c5e7d108b16d068bba2d1b8d5fc177', -1, 1768009015, 1768009015, '0aff0001', 32, 0, 0)

Line : 199
File : sessions.php