phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cf78cdbbe0ea7f6d3d7fa97e0eb02ebe' 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 ('cf78cdbbe0ea7f6d3d7fa97e0eb02ebe', -1, 1715191547, 1715191547, '12bc0af6', -8, 0, 0)

Line : 187
File : sessions.php