when download code form git its showing me that error in codeigniter

[himanshutweaksoftwares]

I am getting this issue when I download the project from git to localhost or server please resolve showing this issue.

here is issue require_once(/home/u398081410/domains/estudycentre.com/public_html/ems/system/database/DB.php): failed to open stream: No such file or directory

Fatal error: require_once(): Failed opening required '/home/u398081410/domains/estudycentre.com/public_html/ems/system/database/DB.php' (include_path='.:/opt/alt/php74/usr/share/pear') in /home/u398081410/domains/estudycentre.com/public_html/ems/system/core/Loader.php on line 381

Message: require_once(): Failed opening required '/home/u398081410/domains/estudycentre.com/public_html/ems/system/database/DB.php' (include_path='.:/opt/alt/php74/usr/share/pear')

my site URL https://estudycentre.com/ems/

I have an upgrade the composter even it's showing me same error continues. How to resolve it give me any solution.