undefined symbol: apreq_handle_apache2

solution from here

symbol lookup error: /usr/lib/perl5/auto/APR/Request/Apache2/Apache2.so: undefined symbol: apreq_handle_apache2

Make sure you load the apreq module in your apache2 config file:

LoadModule apreq_module /usr/lib/apache2/modules/mod_apreq2.so

In debian there is a file in /etc/apache2/mods-available called
apreq.load. Just link that to your
/etc/apache2/mods-enabled directory and restart apache2