phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'add9c7f799ca62c6b483363aec3949c9' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('add9c7f799ca62c6b483363aec3949c9', -1, 1714005333, 1714005333, '12bd0edb', -9, 0, 0)

Line : 187
File : sessions.php