phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9c9f4df7c59dddf60c8fdd11838d52e' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a9c9f4df7c59dddf60c8fdd11838d52e', -1, 1715768597, 1715768597, '12759adc', -4, 0, 0)

Line : 187
File : sessions.php