phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4c0a531e5ccf21cc790c350faa5dcd47' 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 ('4c0a531e5ccf21cc790c350faa5dcd47', -1, 1768226689, 1768226689, 'd849d89d', 16, 0, 0)

Line : 188
File : sessions.php