phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8946f342d25a0e0aebee3857c0874911' for key 'PRIMARY'

INSERT INTO phpbb_fastsessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8946f342d25a0e0aebee3857c0874911', -1, 1715014867, 1715014867, '0389dad7', -4, 0, 0)

Line : 187
File : sessions.php