Not able to deploy the solution

[gkverma]

{
"code": "DeploymentFailed",
"message": "At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/DeployOperations for usage details.",
"details": [
{
"code": "BadRequest",
"message": "{\r\n "Code": "BadRequest",\r\n "Message": "The host name cognitive_servicesahqibdfiimvcews.azurewebsites.net is invalid.",\r\n "Target": null,\r\n "Details": [\r\n {\r\n "Message": "The host name cognitive_servicesahqibdfiimvcews.azurewebsites.net is invalid."\r\n },\r\n {\r\n "Code": "BadRequest"\r\n },\r\n {\r\n "ErrorEntity": {\r\n "ExtendedCode": "04003",\r\n "MessageTemplate": "The host name {0} is invalid.",\r\n "Parameters": [\r\n "cognitive_servicesahqibdfiimvcews.azurewebsites.net"\r\n ],\r\n "Code": "BadRequest",\r\n "Message": "The host name cognitive_servicesahqibdfiimvcews.azurewebsites.net is invalid."\r\n }\r\n }\r\n ],\r\n "Innererror": null\r\n}"
}
]
}

It says "The host name cognitive_servicesahqibdfiimvcews.azurewebsites.net is invalid".
Pls help !!