Activating branch issue type under JIRA Release structure using REST API call

[saisree.bhagi@cigniti.com]

URL: $baseurl/rest/api/2/issue/CIRMDEMO-256/transitions

baseURL: : ""

Request as follows:

{
"update": {
"comment": [
{
"add": {
"body": "Activating application branch"
}
}
]
},
"transition": {
"id": "11"
}
}

Response: Seeing 400 error 

{
"errorMessages": [
"No Bug / Improvement / New Feature for selected application is tagged to the Release."
],
"errors": {}
}

But, Improvement feature been already tagged to Release issue. Any response, Highly appreciated!

Thanks,

Siri