phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3b12fa91c0e4f83db5910a8db3549dec' 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 ('3b12fa91c0e4f83db5910a8db3549dec', -1, 1715237797, 1715237797, '12db569b', -4, 0, 0)

Line : 187
File : sessions.php