我刚更新服务器时遇到此错误，我有以下错误：
Attempted to load class "PhoneNumberUtil" from namespace "libphonenumber".
Did you forget a "use" statement for "libphonenumber\PhoneNumberUtil"?
500 Internal Server Error - ClassNotFoundException
所以我每次都得到错误500：/有人可以帮我解决我的问题吗？