Oh, and as soon as I've posted I remembered what else needed to be included:
This error only occurs on Anroid 6 (is the stricter permissions involved?) Current system is Android 6.0.1 with CM 13.0-ZNH0EAS2JK. Before the official update to Marshmallow, I did not get this error. However, some users with pre-official builds did. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/fe176ecd-85c0-4944-9264-1041783504d7%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
