phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac19988409f901261f5a2e147bd85f0c' 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 ('ac19988409f901261f5a2e147bd85f0c', -1, 1714831575, 1714831575, 'c0a80201', -2119, 0, 0)

Line : 187
File : sessions.php