phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '50a65521b19b64f6cff6aff00a9f1373' 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 ('50a65521b19b64f6cff6aff00a9f1373', -1, 1782034969, 1782034969, 'd849d949', 1, 0, 0)

Line : 187
File : sessions.php