Trying to create/push monitoring template is unavailable or blank from Setup wizard > Remote and Cloud:
or the following with 20.4 CU10:
Version: 20.4 CU10, 23.4, 23,4 CU1
UIM Database: Oracle
Component: Operator Console
Resolution to be included in CU2 for 23.4.
Resolution to be included in CU11 for 20.4.
A workaround to this problem until the above updates is released is to create the mcs profile via Inventory/<Host>.