Unable to deploy lab

[J4vi3rV1ll4]

Hi I'm getting the error below when attempting to deploy the lab, any help will be appreciated

{"code":"DeploymentFailed","message":"At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage details.","details":[{"code":"Conflict","message":"{\r\n "status": "Failed",\r\n "error": {\r\n "code": "ResourceDeploymentFailure",\r\n "message": "The resource operation completed with terminal provisioning state 'Failed'.",\r\n "details": [\r\n {\r\n "code": "DeploymentFailed",\r\n "message": "At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage details.",\r\n "details": [\r\n {\r\n "code": "BadRequest",\r\n "message": "{\r\n \"error\": {\r\n \"code\": \"DnsRecordInUse\",\r\n \"message\": \"DNS record contosodc1.eastus.cloudapp.azure.com is already used by another public IP.\",\r\n \"details\": []\r\n }\r\n}"\r\n }\r\n ]\r\n }\r\n ]\r\n }\r\n}"}]}