If you have received this error message, it means that you have ordered a Smooth Matte Laminate product with Spot UV selected but didn't submit files for the UV coating.
For Spot UV products you should upload 4 files per set, for example:
See image below for reference.
For design instructions see: Setting up press-ready separations files
If you would like to enlist our Design team to create the Spot UV files for you, you can submit a request under your Account Centre - Design Services tab. An additional cost will apply for this service.
If you do not require Spot UV and wish to change your order to Smooth Matte Laminate only, please call our Customer Service Line or email us - firstname.lastname@example.org.