phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1878e3a4924ec7af6c23d08131cb8616' 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 ('1878e3a4924ec7af6c23d08131cb8616', -1, 1714703714, 1714703714, 'c0a80201', -8, 0, 0)

Line : 187
File : sessions.php