pdftk failed with command /usr/bin/pdftk A=tmp/pdfs/21-4142_1.pdf B=tmp/pdfs/extras_024648a1-c42d-4ea9-b3ed-5323e660ab53.pdf cat A B output tmp/pdfs/21-4142_1_final.pdf command output was: Error: Invalid PDF: PDF header signature not found. Error: Failed to open input PDF file:     tmp/pdfs/21-4142_1.pdf Errors encountered.  No output created. Done.  Input errors, so no output created.
\e[1mFailure/Error: \e[0mPDF_FORMS.cat(old_file_path, extras_path, file_path)

PdfForms::PdftkError:
  pdftk failed with command
  /usr/bin/pdftk A=tmp/pdfs/21-4142_1.pdf B=tmp/pdfs/extras_024648a1-c42d-4ea9-b3ed-5323e660ab53.pdf cat A B output tmp/pdfs/21-4142_1_final.pdf
  command output was:
  Error: Invalid PDF: PDF header signature not found.
  Error: Failed to open input PDF file: 
     tmp/pdfs/21-4142_1.pdf
  Errors encountered.  No output created.
  Done.  Input errors, so no output created.
/usr/local/bundle/cache/ruby/3.3.0/gems/pdf-forms-1.5.1/lib/pdf_forms/pdftk_wrapper.rb:98:in `call_pdftk'
/usr/local/bundle/cache/ruby/3.3.0/gems/pdf-forms-1.5.1/lib/pdf_forms/pdftk_wrapper.rb:124:in `cat'
./lib/pdf_fill/filler.rb:81:in `combine_extras'
./lib/pdf_fill/filler.rb:155:in `process_form'
./lib/pdf_fill/filler.rb:121:in `fill_ancillary_form'
./lib/evss/disability_compensation_form/form4142_processor.rb:49:in `generate_stamp_pdf'
./lib/evss/disability_compensation_form/form4142_processor.rb:34:in `initialize'
./spec/lib/evss/disability_compensation_form/form4142_processor_spec.rb:27:in `new'
./spec/lib/evss/disability_compensation_form/form4142_processor_spec.rb:27:in `block (2 levels) in <top (required)>'
./spec/lib/evss/disability_compensation_form/form4142_processor_spec.rb:38:in `block (3 levels) in <top (required)>'
/usr/local/bundle/cache/ruby/3.3.0/gems/webmock-3.23.1/lib/webmock/rspec.rb:39:in `block (2 levels) in <top (required)>'
/usr/local/bundle/cache/ruby/3.3.0/gems/rspec-retry-0.6.2/lib/rspec/retry.rb:124:in `block in run'
/usr/local/bundle/cache/ruby/3.3.0/gems/rspec-retry-0.6.2/lib/rspec/retry.rb:110:in `run'
/usr/local/bundle/cache/ruby/3.3.0/gems/rspec-retry-0.6.2/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
/usr/local/bundle/cache/ruby/3.3.0/gems/rspec-retry-0.6.2/lib/rspec/retry.rb:37:in `block (2 levels) in setup'