From reuse old CakePHP 1.3.11, install in VirtualBox to test with PHP 5.6 but get error

According to I reinstall the old software on my laptop on VirtualBox
I set the machine the same as the software requirement:

Ubuntu 16.04.7 LTS
Apache/2.4.18
PHP 5.6.40-47+ubuntu16.04.1+deb.sury.org+1
mysql 5.7.33
phpmyadmin 4.5.4

But I still get error as below:
How can I fix this error?
For path of the last error, I found the file but seem the routing not correct
NlLaosF\app\webroot\lang\lang_en.php
Could you please kindly guide me about this?