phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9aaff636c1fefb81020204f305878a79' 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 ('9aaff636c1fefb81020204f305878a79', -1, 1715560804, 1715560804, '340f895b', 0, 0, 0)

Line : 187
File : sessions.php