Issue #2986847 by darrell_ulm, klausi, pifagor, cilefen, hockey2112,...

Issue #2986847 by darrell_ulm, klausi, pifagor, cilefen, hockey2112, drupal-son, joshua.boltz, virtualbrian, jerry, milodesc, shi99, pfrenssen, saurabh-chugh, Vj, japo32, voleger, alex_optim, efruin: TypeError: Argument 1 passed to xmlsitemap_node_create_link() must be an instance of stdClass, boolean given