I have the same issue too, but only on ertain categories
This one (actually all the RAM ones) doesn't work
www.abtcomputers.com.au/parts/ram/desktop-ddr3
But most others work fine, but everything is set to default from what I can see.
Joomla error output is as follows:
( ! ) Strict standards: Only variables should be assigned by reference in /var/www/2014/plugins/system/httpbl/httpbl.php on line 53
Call Stack
# Time Memory Function Location
1 0.0001 251912 {main}( ) ../index.php:0
2 0.0326 2551856 JApplicationCms->execute( ) ../index.php:40
3 0.0326 2552024 JApplicationSite->doExecute( ) ../cms.php:251
4 0.0326 2552432 JApplicationSite->initialiseApp( ) ../site.php:209
5 0.0514 3201216 JApplicationCms->initialiseApp( ) ../site.php:649
6 0.1141 5740280 JApplicationBase->triggerEvent( ) ../cms.php:583
7 0.1141 5740400 JEventDispatcher->trigger( ) ../base.php:106
8 0.1142 5741184 JEvent->update( ) ../dispatcher.php:162
9 0.1142 5741696 call_user_func_array ( ) ../event.php:71
10 0.1142 5741728 plgSystemHttpbl->onAfterInitialise( ) ../event.php:71
( ! ) Strict standards: Only variables should be assigned by reference in /var/www/2014/plugins/system/httpbl/httpbl.php on line 57
Call Stack
# Time Memory Function Location
1 0.0001 251912 {main}( ) ../index.php:0
2 0.0326 2551856 JApplicationCms->execute( ) ../index.php:40
3 0.0326 2552024 JApplicationSite->doExecute( ) ../cms.php:251
4 0.0326 2552432 JApplicationSite->initialiseApp( ) ../site.php:209
5 0.0514 3201216 JApplicationCms->initialiseApp( ) ../site.php:649
6 0.1141 5740280 JApplicationBase->triggerEvent( ) ../cms.php:583
7 0.1141 5740400 JEventDispatcher->trigger( ) ../base.php:106
8 0.1142 5741184 JEvent->update( ) ../dispatcher.php:162
9 0.1142 5741696 call_user_func_array ( ) ../event.php:71
10 0.1142 5741728 plgSystemHttpbl->onAfterInitialise( ) ../event.php:71
( ! ) Strict standards: Only variables should be assigned by reference in /var/www/2014/plugins/system/httpbl/httpbl.php on line 70
Call Stack
# Time Memory Function Location
1 0.0001 251912 {main}( ) ../index.php:0
2 0.0326 2551856 JApplicationCms->execute( ) ../index.php:40
3 0.0326 2552024 JApplicationSite->doExecute( ) ../cms.php:251
4 0.0326 2552432 JApplicationSite->initialiseApp( ) ../site.php:209
5 0.0514 3201216 JApplicationCms->initialiseApp( ) ../site.php:649
6 0.1141 5740280 JApplicationBase->triggerEvent( ) ../cms.php:583
7 0.1141 5740400 JEventDispatcher->trigger( ) ../base.php:106
8 0.1142 5741184 JEvent->update( ) ../dispatcher.php:162
9 0.1142 5741696 call_user_func_array ( ) ../event.php:71
10 0.1142 5741728 plgSystemHttpbl->onAfterInitialise( ) ../event.php:71
( ! ) Fatal error: Call to undefined method RuntimeException::get() in /var/www/2014/templates/flexible_lightmart/error.php on line 20
Call Stack
# Time Memory Function Location
1 1.8595 19455920 PlgSystemRedirect::handleError( ) ../redirect.php:0
2 1.8595 19456984 JError::customErrorPage( ) ../redirect.php:134
3 1.8617 19489768 JDocumentError->render( ) ../error.php:791
4 1.8619 19494104 JDocumentError->_loadTemplate( ) ../error.php:107
5 1.8631 19518496 require_once( '/var/www/2014/templates/flexible_lightmart/error.php' ) ../error.php:135