"I'm sorry I'm canceling some concerts, but hey, I'm here!" she writes without giving any details about what happened or where she's canceling.
She promises to return as soon as she is "back on her feet."
"Sometimes life comes in and reminds you that nothing can be taken for granted and that time should be valued and used with care," she also writes.
A long European tour awaits Anna von Hausswolff this summer and autumn, but Saturday evening's premiere at the Primavera festival in Barcelona has been canceled, Göteborgs-Posten writes.
Her next scheduled gig in Sweden is at Way Out West in Gothenburg.
