With Doceri release 2.1.9 , we have come across some issues with 64-bit iPads and Doceri (iPad Air and newer and iPad Mini Retina and newer). The issues are easily remedied with just a couple of steps. SP Controls is working on a more permanent fix with an update. Here are the quick fixes:

Doceri is no longer writing : http://doceri.com/support/knowledgebase.php?article=50

Doceri Desktop is crashing after updating to iOS 9?:http://doceri.com/support/knowledgebase.php?article=51

-SP Controls