phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '59df59e605389949572ff9e3bc1a37dc' 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 ('59df59e605389949572ff9e3bc1a37dc', -1, 1773240156, 1773240156, 'd849d8d6', 6, 0, 0)

Line : 187
File : sessions.php