php 5.6
National Flags 2.1.2
using memcached.php
This only happens when enabling memcached. Using file or redis and there is no error. Disabling National Flags and everything works as it should
Fatal error: Uncaught exception 'Symfony\Component\Routing\Exception\InvalidParameterException' with message 'Parameter "flag_id" for route "rmcgirr83_nationalflags_getflags" must match "[^/]++" ("" given) to generate a corresponding URL.' in /home/site/public_html/vendor/symfony/routing/Symfony/Component/Routing/Generator/UrlGenerator.php:163 Stack trace: #0 /home/site/public_html/vendor/symfony/routing/Symfony/Component/Routing/Generator/UrlGenerator.php(136): Symfony\Component\Routing\Generator\UrlGenerator->doGenerate(Array, Array, Array, Array, Array, 'rmcgirr83_natio...', false, Array) #1 /home/site/public_html/phpbb/controller/helper.php(188): Symfony\Component\Routing\Generator\UrlGenerator->generate('rmcgirr83_natio...', Array, false) #2 /home/site/public_html/ext/rmcgirr83/nationalflags/core/nationalflags.php(220): phpbb\controller\helper->route('rmcgirr83_natio...', Array) #3 /home/site/public_html/ext/rmcgirr83/nationalflags/event/listener.php(167): r in /home/site/public_html/vendor/symfony/routing/Symfony/Component/Routing/Generator/UrlGenerator.php on line 163