Impose BC pages for 20-up on 11 x _17_Note: Source PDFs must be 3-1/2 x 2 (no bleed, no marks), 2 sides OK.You can select 1, 2 or 4 PDFs to impose, program will adjust layout accordingly.Program will not run if: . End_page is greater than the PDF page count . The import PDF has been edited and saved in Acrobat as PDF version 1.5 or later. . A source PDF has had page added or deleted in Acrobat (InDesign, OK).Avoid compression errors by saving as Acrobat 5 (PDF v1.4) (File > SaveAsOther > Optimized > Acrobat 5)PDF v1.4 can be saved from Acrobat or Illustrator.Set graphics to 300 dpi, monochrome to 1200 dpi Lossless.More info at: https://www.setasign.com/products/fpdi-pdf-parser/detailsDownload error_log from the home folder for details about runtime failures.