There are several reasons that can affect the price, such as:

1. Parameter Discrepancy: If the parameters you provided do not match the actual requirements or specifications, it can result in a price change.
2. Incorrect File Upload: If you uploaded the wrong file or there were issues with the files you provided, it can impact the price.
3. Panelization Issues: If there are problems with the panelization of your order, such as incorrect panel layout or inefficiencies in the panel arrangement, it can affect the price.