When Attempting to deslecct a time zone, then selecting apply the following error message is displayed for the time zone deslected under the Time Zone Managment. "The time zone (Time zone selected) cannot be hidden as it is the Tenant default time zone"
SAP Learning Managment System
This is the Tenant default , set by the the time zone of the server the LMS is located in.
This is working as intended and cannot be changed.
KBA , LOD-SF-LMS-ADM , Admin Tools , Problem