phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '91d25caadaad7484cee3dcff86ca1ac2' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('91d25caadaad7484cee3dcff86ca1ac2', -1, 1714325601, 1714325601, '127788eb', -10, 0, 0)

Line : 187
File : sessions.php