phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a64c8c5c09c15b7e4ad104f142eadafb' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a64c8c5c09c15b7e4ad104f142eadafb', -1, 1715755691, 1715755691, '038dc5d4', 5, 0, 0)

Line : 187
File : sessions.php