phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '91a77b3f56acf7a650e9c16ee775d7d9' 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 ('91a77b3f56acf7a650e9c16ee775d7d9', -1, 1715895586, 1715895586, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php