phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '12c4f83c1256c93aa4620f784b4755a4' 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 ('12c4f83c1256c93aa4620f784b4755a4', -1, 1732300616, 1732300616, '038a24a8', 5, 0, 0)

Line : 187
File : sessions.php