用后台备份的功能备份的程序在新的服务器上无法运行已解决 悬赏20积分

1 通过官方下载的code + 备份的file +备份数据库 恢复到新的服务器上 可以正常访问
2 通过全目录copy +备份到数据库恢复 可以正常访问

3通过备份的code + 备份的file +备份数据库 恢复到新的服务器上  无法访问

报错如下

[Sat May 09 18:47:10.095801 2020] [php7:error] [pid 32127] [client 10.19.118.146:60918] PHP Fatal error:  Uncaught Error: Call to a member function loadModel() on boolean in /data/html/zentaopms/www/index.php:43\nStack trace:\n#0 {main}\n  thrown in /data/html/zentaopms/www/index.php on line 43
[Sat May 09 18:47:34.395679 2020] [php7:error] [pid 32128] [client 10.10.79.112:50571] PHP Fatal error:  Uncaught Error: Call to a member function loadModel() on boolean in /data/html/zentaopms/www/index.php:43\nStack trace:\n#0 {main}\n  thrown in /data/html/zentaopms/www/index.php on line 43
[Sat May 09 18:47:37.725528 2020] [php7:error] [pid 32124] [client 10.10.79.112:50580] PHP Fatal error:  Uncaught Error: Call to a member function loadModel() on boolean in /data/html/zentaopms/www/index.php:43\nStack trace:\n#0 {main}\n  thrown in /data/html/zentaopms/www/index.php on line 43
[Sat May 09 18:48:36.863189 2020] [php7:error] [pid 32128] [client 10.10.79.112:50594] PHP Fatal error:  Uncaught Error: Call to a member function loadModel() on boolean in /data/html/zentaopms/www/index.php:43\nStack trace:\n#0 {main}\n  thrown in /data/html/zentaopms/www/index.php on line 43
[Sat May 09 18:48:37.678365 2020] [php7:error] [pid 32124] [client 10.10.79.112:50596] script '/data/html/zentaopms/www/install.php' not found or unable to stat
[Sat May 09 18:48:40.527047 2020] [php7:error] [pid 32266] [client 10.10.79.112:50593] PHP Fatal error:  Uncaught Error: Call to a member function loadModel() on boolean in /data/html/zentaopms/www/index.php:43\nStack trace:\n#0 {main}\n  thrown in /data/html/zentaopms/www/index.php on line 43