phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f871a1c811c4a156c14664aa0f25df77' 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 ('f871a1c811c4a156c14664aa0f25df77', -1, 1714240615, 1714240615, '0395ffa2', -7, 0, 0)

Line : 187
File : sessions.php