1. Ensure all robots in the environment are upgraded to 7.93 or higher.
2. In robot.cfg for each robot, add the following config key in the <controller> section:
reuse_async_session = 1
3. Download and apply the latest hotfix for webservices_rest from the UIM Hotfix Index
. Instructions for installation and release notes are located alongside the hotfix.
This will allow all robots to consistently respond to REST API robot callbacks.