Also, is the email address populated in the upload? The error message indicates an invalid email address, likely the reason that the email address field is empty. Please check that email is populated on the on upload.
Here is an example of a rejected records report (the date field value in this case is not valid for the two records below):
{
"items": [
{
"fieldValues": {
"C_Company": "Company",
"C_Date_1": "not a date",
"C_EmailAddress": "0@bulktest.com"
},
"message": "Invalid data.",
"statusCode": "ELQ-00040",
"recordIndex": 1,
"invalidFields": [
"C_Date_1"
]
},
{
"fieldValues": {
"C_Company": "Company",
"C_Date_1": "not a date",
"C_EmailAddress": "1@bulktest.com"
},
"message": "Invalid data.",
"statusCode": "ELQ-00040",
"recordIndex": 2,
"invalidFields": [
"C_Date_1"
]
}
],
"totalResults": 2,
"limit": 1000,
"offset": 0,
"count": 2,
"hasMore": false
}