phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '35017f16c23ee74938279aa66014c7c8' 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 ('35017f16c23ee74938279aa66014c7c8', -1, 1743634646, 1743634646, '12bcbb92', -12, 0, 0)

Line : 187
File : sessions.php