Again(!) Mixed content with apache2

[vincenzogianfelice]

apache2

<VirtualHost *:443>
   ServerName www.aria.mynas.io

   redirect permanent / https://aria.mynas.io
</VirtualHost>

<VirtualHost *:443>
   Define root /var/www/html/aria2

   ServerName aria.mynas.io
   DocumentRoot ${root} 
   <Directory ${root}>
           Options FollowSymLinks
           AllowOverride None
           Require all granted
   </Directory>

   ProxyPass /jsonrpc ws://127.0.0.1:6800/jsonrpc
   ProxyPassReverse /jsonrpc ws://127.0.0.1:6800/jsonrpc
</VirtualHost>

aria2.conf

##GLOBAL/GENERAL##
dir=/home/mynas/storage
file-allocation=falloc
check-integrity=true
on-download-complete=/home/mynas/.aria2/script/completed.sh
on-bt-download-complete=/home/mynas/.aria2/script/completed.sh
disk-cache=32M
rpc-save-upload-metadata=false
auto-save-interval=0

##sessions
force-save=true
input-file=/home/mynas/.aria2/aria2.session
save-session=/home/mynas/.aria2/aria2.session
save-session-interval=60

##net
http-no-cache=true
enable-http-pipelining=true
max-connection-per-server=15
enable-rpc=true
rpc-secret=<hidden>
check-certificate=false
rpc-listen-all=false
enable-dht6=false
disable-ipv6=true

How is it possible? From the configuration.js file, even if set, the parameters are not read
How can this be fixed?