Error code 3605 on Recruit Candidates/changeStatus

Error code 3605 on Recruit Candidates/changeStatus

This call to Recruit Candidates/changeStatus...

curl -v -H "Accept: application/json" \
        -H "Content-Type: application/json" \
       -X POST \
       -d '{"authtoken":"AUTHTOKEN","scope":"recruitapi","version":2,"candidateIds":"442809000000660546","candidateStatus":"Interview-Scheduled"}'\

... returns  Unable to process your request.Please try again or contact <a href='mailto:support@zohorecruit.com'>support@zohorecruit.com </a> with the following error code3605

 I couldn't find any references to error 3605 in the documentation. What should I change in the code?