phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '855b7c40251ee3a8b79c71148edd2a97' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('855b7c40251ee3a8b79c71148edd2a97', -1, 1715130455, 1715130455, 'c0a80201', -9, 0, 0)

Line : 187
File : sessions.php