OK. Thanks for the answer.
Hello. Please help me get the "multibackground" and "multistamp" commands to work successfully. "PdftkBuilder.exe" v4.1.7 Tool Sets > Set 4 > Advanced > T4 These commands - give error "ERROR A04" and do not create a PDF file : %PDFIN% multibackground %PDFFILE2% output %PDFOUT% %PDFIN% multistamp %PDFFILE2% output %PDFOUT% These commands are executed successfully and without errors: %PDFIN% background %PDFFILE2% output %PDFOUT% %PDFIN% stamp %PDFFILE2% output %PDFOUT% I attach the files: Video recording...