Symptoms
In the Modern Admin Control Panel (MACP) in Skype for Business, you can’t load the entire workflow data and you experience a request time-out error if there are many Response Group Management (RGS) workflows.
Causes
This problem occurs because the request time-out setting is two minutes, and the load time was exceeding for the workflow data.
Resolution
To fix this issue, install the following update for Microsoft Skype for Business Server 2019: