- $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
- if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
- $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
+ if (is_object($item)) {
+ $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
+ if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
+ $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
+ } else
+ $nick = $item;