phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '91168171a77bd006b0242c0f1b3f9cda' 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 ('91168171a77bd006b0242c0f1b3f9cda', -1, 1752404526, 1752404526, 'd849d8ee', -12, 0, 0)

Line : 187
File : sessions.php