phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac21c57f0d7cf6fb111edfcddf104384' 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 ('ac21c57f0d7cf6fb111edfcddf104384', -1, 1713586955, 1713586955, '030fd36b', -4, 0, 0)

Line : 187
File : sessions.php