When trying to import pdf or ps files on openSUSE 15.1 using scribus 1.4.7,
scribus will fail with the ghostscript issue below (I tried ghostscript 9.27
and 9.26 from the official repositories).

My solution: Installing scribus 1.5.5 from the KDE buildservice project.

Error message:

ghostscript calling with:
-q -dNOPAUSE -dNODISPLAY -dBATCH -dDELAYBIND -g616x616 -r288 -dTextAlphaBits=4
-dGraphicsAlphaBits=4 -c 0 0 translate
-sTraceFile=/home/ferdinand/.scribus//ps.out
-sExportFiles=/home/ferdinand/Bilder/aqua/Dokument--aquarium_runder_aufkleber-drcuk
/usr/lib64/scribus/import.prolog
/home/ferdinand/Bilder/aqua/aquarium_runder_aufkleber-drcuk.ps -c flush cfile
closefile quit

Error: /undefined in GS_PDF_ProcSet
Operand stack:
   false
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--  
--nostringval--   2   %stopped_push   --nostringval--   --nostringval--  
--nostringval--   false   1   %stopped_push   1975   1   3   %oparray_pop  
1974   1   3   %oparray_pop   1962   1   3   %oparray_pop   1817   1   3  
%oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--  
--nostringval--   --nostringval--   2   %stopped_push   --nostringval--