phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21f5506a9541667e0bb275dd782cc6ef' 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 ('21f5506a9541667e0bb275dd782cc6ef', -1, 1715792295, 1715792295, '0314ddb2', -4, 0, 0)

Line : 187
File : sessions.php