[AUCTeX] Preview suddenly not working

[Nathan Hüsken]

Hi,

I do not know what I changed. Everything worked and suddenly, not
previews are generated anymore. Only red stop signs are displayed.

The error message I get when clicking on the stop signs is:

gs -dOutputFile\=\(master.prv/tmp7037xks/pr1-1.png\) -q -dSAFER
-dNOPAUSE -DNOPLATFONTS -dPrinted -dTextAlphaBits\=4
-dGraphicsAlphaBits\=4 -sDEVICE\=png16m -r144x144.076
GS>{DELAYSAFER{.setsafe}if}stopped pop/.preview-BP
currentpagedevice/BeginPage get dup null eq{pop{pop}bind}if
def<</BeginPage{currentpagedevice/PageSize get dup 0 get 1 ne exch 1 get
1 ne or{.preview-BP 0 0 0 setrgbcolor clippath fill 1 1 1
setrgbcolor}{pop}ifelse}bind/PageSize[1
1]>>setpagedevice/preview-do{[count 3 roll save]3 1 roll dup length 0
eq{pop}{setpagedevice}{ifelse .runandhide}stopped{handleerror quit}if
aload pop restore}bind def /GS_PDF_ProcSet GS_PDF_ProcSet dup maxlength
dict copy dup begin/graphicsbeginpage{//graphicsbeginpage exec 1 1 1 3
copy rg RG}bind store end readonly store
[(master.prv/tmp7037xks/preview.dsc)(r)file]aload exch dup 0
setfileposition 14740()/SubFileDecode filter cvx .runandhide aload pop
dup dup 14740 setfileposition 51()/SubFileDecode filter cvx<<>>preview-do
Error: /undefined in copy_trailer_attrs
Operand stack:

Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--  
--nostringval--   2   %stopped_push   --nostringval--  
--nostringval--   %loop_continue   --nostringval--   --nostringval--  
false   1   %stopped_push   .runexec2   --nostringval--  
--nostringval--   --nostringval--   2   %stopped_push  
--nostringval--   1148   --nostringval--   %end_runandhide   --nostringval--
Dictionary stack:
   --dict:1162/1684(ro)(G)--   --dict:1/20(G)--   --dict:77/200(L)--  
--dict:108/127(ro)(L)--   --dict:288/300(ro)(G)--   --dict:20/25(L)--
Current allocation mode is local
GS<1>