Hello @janvelgado_16
When you need to identify in which release Cisco has fixed a bug, look for this document here:
"Release Notes for Cisco Wireless Controllers and Lightweight Access Points for Cisco Wireless Release X.X "
This Bug was fixed on release version 8.4.100.0. Please, refers to:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn84.html
-If I helped you somehow, please, rate it as useful.-