phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4c9a548df564d6ce4e989d7e5469eb1' 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 ('a4c9a548df564d6ce4e989d7e5469eb1', -1, 1713570858, 1713570858, '038fda92', -9, 0, 0)

Line : 187
File : sessions.php