InvalidAdjustmentType
Example
{
	"code": "InvalidAdjustmentType",
	"target": "Unknown",
	"details": [
		{
			"code": "InvalidAdjustmentType",
			"number": 99,
			"message": "Adjustment Type must be valid for this form",
			"description": "The adjustment type entered must be valid for the form.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/InvalidAdjustmentType",
			"severity": "Error"
		}
	]
}
Explanation

The adjustment type record permits only a specified list of values. Please check the value you submitted for adjustmentType and set it to a correct value.