Creative Upload Error: File must be smaller than 5MB

This error indicates your creative file exceeds the maximum file size. Do not compress your PDF to get the size down, this will compromise the quality of the design. Make sure your file has been exported as PDF/X-1a, and your images files are 300DPI PNG/JPEG. Follow the link below for export instructions:

Static Creative Guide

If the error persists, reach out to support@heypoplar.com for assistance.