Only transfer response empty in fetch request

[MuhammedOzby]

I am write new template to order forms. My fetch request an empty only in transfer request. Other requests working successfully.

Endpoint: /index.php?rp=/domain/check
Request datas:

token: <csfrToken>
domains[]: domaintest.com
pid: 4
type: transfer
domain: domaintest.com
sld: domaintest
tld: .com
source: cartAddDomain
domainsregperiod[domaintest.com]: 1

Response:

{"result":{}}