服务器出现错误:Class 'Illuminate\Database\Capsule\Manager' not found

错误位置

FILE: /www/wwwroot/wxwork.nnhuyi.com/qvmhweb/fun/extend.php 　LINE: 80

TRACE

#0 /www/wwwroot/wxwork.nnhuyi.com/qvmhweb/fun/extend.php(415): selfLoader::run()
#1 /www/wwwroot/wxwork.nnhuyi.com/qvmhweb/pub/index.php(10): require_once('/www/wwwroot/wx...')
#2 {main}