phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0888ff5f1114f66cfe13a2344b25db87' 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 ('0888ff5f1114f66cfe13a2344b25db87', -1, 1769021820, 1769021820, 'd849d8ad', 1, 0, 0)

Line : 187
File : sessions.php