getting Error while login to retail app

Please help me as i m getting error while login to retail app , previously i was able to login , currently it was showing the following error :::

Body:
{
"username": "soumya.pani@gmail.com",
"password": "eT0p1tn"
}
{
"timestamp": 1562156457150,
"status": 404,
"error": "Not Found",
"message": "No message available",
"path": "/Retail_App_Rest/retail/admin/login"
}
null
Content-Type=application/json;charset=UTF-8
Transfer-Encoding=chunked
Date=Wed, 03 Jul 2019 12:20:57 GMT
PASSED: test01

===============================================
Default test
Tests run: 1, Failures: 0, Skips: 0
===============================================

===============================================
Default suite
Total tests run: 1, Failures: 0, Skips: 0
===============================================