Approve Expense via REST API /expenseReports/{expid}/action/processWFAction not working

Summary:

Hi Team,

We are using below REST API to approve employee expense, but it's returning result as N, any pointers would be helpful?

/fscmRestApi/resources/11.13.18.05/expenseReports/3000000123444/action/processWFAction

Thanks,

Rahul

Content (required):

Version (include the version you are using, if applicable):

R13, 22D

Code Snippet (add any code snippets that support your topic, if applicable):

Request payload-

{

    "action" :"APPROVE",

    "comments" : "Approve via REST API"

}

Response -

{

    "result": "N"

}