Warning after installation "LanguageManager.php"

Hi everybody,

After doing a completely fresh installation of the SuiteCRM-7.11.22 I get the following warning. The system runs on PHP Version 7.3 & MySQL Version 5.6. The only thing I edited in order to get the system working is documented here:

The Warning message:
Warning: unlink(cache/modules/Schedulers/language/en_us.lang.php): No such file or directory in /var/www/web26589463/html/suiteCRM/SuiteCRM-7/include/SugarObjects/LanguageManager.php on line 180

And yes the file is indeed missing.

I also get a lot of warnings when I perform a Quick Repair. Will hand them in later, just changed the domain address which takes couple of minutes.