GetEntity passing multiple keys,when executing through URL

Hello,

I am calling an getEntity with two keys through the URL,I get an error invalid key predicate.

The two key are the following

• LoioId
• Functlocation

The url,I am executing

http://XXXX:8000/sap/opu/odata/sap/XXXX_srv_01/ImageSet('FOL31000000000004EXT39000000000035','1482')

Please help me resolve this issue.

regards

Kaushik