phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '853ae96910648c5f3ddd4f4d64a4db27' 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 ('853ae96910648c5f3ddd4f4d64a4db27', -1, 1728870165, 1728870165, '62541234', -1, 0, 0)

Line : 187
File : sessions.php