Your FulfillmentLatency value, OR leadtime-to-ship value, is invalid. For help finding a valid value, see http://sellercentral.amazon.com/gp/help/24841
If you received this error after uploading an inventory file, your leadtime-to-ship value is invalid.
If you received this error after posting an inventory feed (XML), your FulfillmentLatency value is invalid.
To be valid, your leadtime-to-ship or FulfillmentLatency value must meet the following conditions:
To resolve this error, please resubmit your data using a valid leadtime-to-ship or FulfillmentLatency value.