Approve Shopping Carts

Hi,

I implemented and completed configuration of Fiori App Approve Shopping Carts. User can approve or reject items in his list. But when user clicks an Item on Items List got an error.

{"error":{"code":"005056A509B11EE1B9A8FEC11C21D78E","message":{"lang":"en","value":"Resource not found for the segment 'Accountings'."}}}

Fiori app wants to access:

http://host:8000/sap/opu/odata/GBSRM/CARTAPPROVAL;v=2;mo/SCAItemCollection(SAP__Origin='TSDCLNT400',ItemNumber='0000000001')/Accountings?$skip=0&$top=100&$inlinecount=allpages

But I cannot see that navigation in odata. Is that a bug or forgot some note to apply?