Assertion failure in parameter file with no "parameters" object if there are missing parameters

[StephenWeatherford]

Action: reportDeploymentParametersErrors
Error type: ERR_ASSERTION
Error Message: _span's length must be greater than or equal to 1.

Version: 0.11.0
OS: darwin
OS Release: 19.5.0
Product: Visual Studio Code
Product Version: 1.46.1
Language: en

Call Stack

new Issue extension.bundle.js:3:59518
DeploymentParameters.<anonymous> extension.bundle.js:3:343069
extension.bundle.js:3:338128
n extension.bundle.js:3:337814
DeploymentParameters.getErrorsCore extension.bundle.js:3:342687
DeploymentParameters.<anonymous> extension.bundle.js:3:327054
extension.bundle.js:3:325189
n extension.bundle.js:3:324875
DeploymentParameters.getErrors extension.bundle.js:3:327008
AzureRMTools.<anonymous> extension.bundle.js:393:196808
extension.bundle.js:393:182606
i extension.bundle.js:393:182292
AzureRMTools.reportDeploymentDocumentErrors extension.bundle.js:393:196733
AzureRMTools.<anonymous> extension.bundle.js:393:197796
fulfilled extension.bundle.js:393:182360
processTicksAndRejections task_queues.js:85:5