Invalid file format while uploading cucumber JSON file in Zephyr Squard

Invalid file format while uploading cucumber JSON file. I even removed special characters from "name" attribute 

JSON file:

[
{
"line": 2,
"elements": [
{
"start_timestamp": "2022-05-23T13:55:34.753Z",
"line": 16,
"name": "New user registration with all details",
"description": "",
"id": "register-to-the-demo-application;new-user-registration-with-all-details;;2",
"type": "scenario",
"keyword": "Scenario Outline",
"steps": [
{
"result": {
"duration": 12617520700,
"status": "passed"
},
"line": 7,
"name": "User naviagtes to demo website",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.user_naviagtes_to_demo_website()"
},
"keyword": "Given "
},
{
"result": {
"duration": 4312481400,
"status": "passed"
},
"line": 8,
"name": "Click on Registration tab",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.click_on_registration_tab()"
},
"keyword": "Then "
},
{
"result": {
"duration": 1103884000,
"status": "passed"
},
"line": 9,
"name": "Verify registration form page is displayed",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.verify_registration_form_page_is_displayed()"
},
"keyword": "Then "
},
{
"result": {
"duration": 7246493400,
"status": "passed"
},
"line": 10,
"name": "Enter TestUser1 details for registration",
"match": {
"arguments": [
{
"val": "TestUser1",
"offset": 7
}
],
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.enter_required_details_for_registration(java.lang.String)"
},
"keyword": "When "
},
{
"result": {
"duration": 3286022600,
"status": "passed"
},
"line": 11,
"name": "Click on Submit button",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.click_on_submit_button()"
},
"keyword": "Then "
},
{
"result": {
"duration": 1045800,
"status": "passed"
},
"line": 12,
"name": "Verify submitted message",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.verify_submitted_message()"
},
"keyword": "And "
}
],
"tags": [
{
"name": "@SmokeTest"
}
]
},
{
"start_timestamp": "2022-05-23T13:56:03.425Z",
"line": 17,
"name": "New user registration with all details",
"description": "",
"id": "register-to-the-demo-application;new-user-registration-with-all-details;;3",
"type": "scenario",
"keyword": "Scenario Outline",
"steps": [
{
"result": {
"duration": 3026974300,
"status": "passed"
},
"line": 7,
"name": "User naviagtes to demo website",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.user_naviagtes_to_demo_website()"
},
"keyword": "Given "
},
{
"result": {
"duration": 4380457900,
"status": "passed"
},
"line": 8,
"name": "Click on Registration tab",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.click_on_registration_tab()"
},
"keyword": "Then "
},
{
"result": {
"duration": 1077321900,
"status": "passed"
},
"line": 9,
"name": "Verify registration form page is displayed",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.verify_registration_form_page_is_displayed()"
},
"keyword": "Then "
},
{
"result": {
"duration": 7471261100,
"status": "passed"
},
"line": 10,
"name": "Enter TestUser2 details for registration",
"match": {
"arguments": [
{
"val": "TestUser2",
"offset": 7
}
],
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.enter_required_details_for_registration(java.lang.String)"
},
"keyword": "When "
},
{
"result": {
"duration": 3287733300,
"status": "passed"
},
"line": 11,
"name": "Click on Submit button",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.click_on_submit_button()"
},
"keyword": "Then "
},
{
"result": {
"status": "passed"
},
"line": 12,
"name": "Verify submitted message",
"match": {
"location": "CucumberFramework.stepDefinitions.RegistrationSteps.verify_submitted_message()"
},
"keyword": "And "
}
],
"tags": [
{
"name": "@SmokeTest"
}
]
}
],
"name": "Register to the demo application",
"description": " New user should be able to register with required details",
"id": "register-to-the-demo-application",
"keyword": "Feature",
"uri": "file:src/test/java/CucumberFramework/features/Registration.feature",
"tags": []
}
]