Problem with deleting and updating a saved search but no problem in creating or getting details of it

[SRI247]

Hi I'm a huge noob with respect to SPLUNK
I have to create a update, create, delete and get details of saved searches.

create - post with this url is working with name= abc

https://<host>:<mPort>/services/saved/searches

 get detais - with this url is working with name= abc

https://<host>:<mPort>/services/saved/searches/{name}

update - not working: getting an error as "<msg type="ERROR">Could not find object id=abc</msg>"

https://<host>:<mPort>/services/saved/searches/{name}

delete- not working: getting an error as "<msg type="ERROR">Could not find object id=abc</msg>"

https://<host>:<mPort>/services/saved/searches/{name}