500 error inte the begining of the 4.2.1 install

[Lukas (Lukas Winkler)]

Hi,

This seems to be a duplicate of

500 error after upgrading to 4.2.1

Hi, After upgrading to 4.2.1 I get a 500 error. Plus this: Files were found in your Matomo, but we didn’t expect them. –> Please delete these files to prevent errors. <– File to delete: php-fpm.core What can I do to solve all this?