Updated to wordpress 5.5.1 doesn’t work

Check the user currently set on the file permissions matches what is in apache2/httpd.conf. The part of httpd.conf that specifies the user is as follows and you’ll need to restart Apache after any changes.

<IfModule unixd_module>
#
# If you wish httpd to run as a different user or group, you must run
# httpd as root initially and it will switch.  
#
# User/Group: The name (or #number) of the user/group to run httpd as.
# It is usually good practice to create a dedicated user and group for
# running httpd, as with most system services.
#
User daemon
Group daemon