ProjectConfig.5.5.php: failed to open stream

 I get an error that appears when I make on my site. Here is the error.

I have made no changes to create it.

Service Provider Data says NO Is your responsibility

 Effectively the row does not exist in the directory

Can you help me please ?

Warning: require(/home/MYWEBSITE/admin/config/ProjectConfig.5.5.php): failed to open stream: No such file or directory in /home/MYWEBSITE/admin/config/ProjectConfig.php on line 1

Fatal error: require(): Failed opening required '/home/MYWEBSITE/admin/config/ProjectConfig.5.5.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/MYWEBSITE/admin/config/ProjectConfig.php on line 1

I have made no changes to create it
Can you help me please ?