phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9cc78c0511a2df4e6f447b7a1716da5e' 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 ('9cc78c0511a2df4e6f447b7a1716da5e', -1, 1714400920, 1714400920, 'c0a80201', -10, 0, 0)

Line : 187
File : sessions.php