Hi there and thank you for posting this question.
iOs Yosemite is not yet supported for ActivInspire, that is why you are seeing this problem.
You should be fine using ClassFlow from the website without using ActivInspire though.
I have logged your question under reference 00463928.
- Release notes for Radix VISO v1.42 (released 2 December 2021)
- Release notes for myPromethean Portal v1.6 (released 1 December 2021)
- Release notes for ActivConnect OPS-G v2.6.0 (released 17 November 2021)
- Release notes for ActivPanel Elements series v5.1.200 (released 20 September 2021)
- Release notes for Radix agent v1.27.1 (released 25 August 2021)