We are using the Entitlement Management API for update the existing entitlement record. Following error appeared while executing ''The update of field [ItemValidFrom,ItemValidTo] is not supported''. Can you please guide how this can be resolved.
Looks you are not updating the attribute of a entitlement.
for the API help in detail, you could click the API ID link in Explore APIs tile, system would open API hub link in new tab.
Below is the API hub link for entitlement udpate API:
update API version 1: Entitlement Update API version 1.0
update API version 2(recommend version): Entitlemetn Update API version 2.0