UPCCodeInvalidChars
Example
{
	"code": "UPCCodeInvalidChars",
	"target": "Unknown",
	"details": [
		{
			"code": "UPCCodeInvalidChars",
			"number": 137,
			"message": "Invalid UPC.",
			"description": "A UPC, EAN or GTIN code may only contain the digits 0 through 9.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/UPCCodeInvalidChars",
			"severity": "Error"
		}
	]
}
Explanation

This error indicates that Your UPC code contains invalid characters. A UPC, EAN or GTIN code may only contain numeric digits.