phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c21a56166bc167138600cb4eedd728be' 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 ('c21a56166bc167138600cb4eedd728be', -1, 1715259137, 1715259137, '12d98ba2', 0, 0, 0)

Line : 187
File : sessions.php