phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '79f46147acfa14b3eea9da197c0648a1' 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 ('79f46147acfa14b3eea9da197c0648a1', -1, 1775398606, 1775398606, 'd849d817', 2, 0, 0)

Line : 187
File : sessions.php