phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4a9c60170da8c1b3e7dff97de01f4f1b' 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 ('4a9c60170da8c1b3e7dff97de01f4f1b', -1, 1731677973, 1731677973, '0d3b6afb', 1, 0, 0)

Line : 187
File : sessions.php