phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7781656aecf6c2112c2738ca600a2be6' 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 ('7781656aecf6c2112c2738ca600a2be6', -1, 1714614974, 1714614974, 'c0a80201', 2, 0, 0)

Line : 187
File : sessions.php