non standard operator found - ignoring

Classification

Validator	Validator version	Error message type
Ghostscript	10.06.0

File format	Version	Specification	Description	Location
application/pdf	1.4		Govdocs1 set	OPF format-corpus
application/pdf	1.2		Govdocs1 set	OPF format-corpus
application/pdf	1.5		Govdocs1 set	OPF format-corpus
application/pdf	1.6		Govdocs1 set	OPF format-corpus
application/pdf	1.2		Govdocs1 set	OPF format-corpus
application/pdf	1.4		Govdocs1 set	OPF format-corpus
application/pdf	1.2		Govdocs1 set	OPF format-corpus

Analyses

Possible solutions

Output example

warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check

The following errors were encountered at least once while processing this file:
        missing white space after number
        malformed number
        integer overflowed
        unbalanced or unescaped character '(' in string
        error executing PDF token
        error reading a stream
        A closing mark (] or >>) had no matching mark, ignoring the closing mark

   **** This file had errors that were repaired or ignored.
   **** The file was produced by:
   **** >>>> Acrobat Distiller 4.0 for Windows <<<<
   **** Please notify the author of the software that produced this
   **** file that it does not conform to Adobe's published PDF
   **** specification.


GPL Ghostscript 10.06.0 (2025-09-09)
Copyright (C) 2025 Artifex Software, Inc.  All rights reserved.
This software is supplied under the GNU AGPLv3 and comes with NO WARRANTY:
see the file COPYING for details.
Processing pages 1 through 54.
Page 1
Loading font TimesNewRomanPS-BoldMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Bold
Loading font TimesNewRomanPSMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Loading font Times-Roman (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Page 2
Page 3
Loading font TimesNewRomanPS-ItalicMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Italic
Page 4
   **** Error: Page drawing error occurred.
               Output may be incorrect.
Page 5
Page 6
Loading font TimesNewRomanPS-BoldItalicMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-BoldItalic
Page 7
Loading font ArialMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font Arial-BoldMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Page 8
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   **** Error: Page drawing error occurred.
               Output may be incorrect.
Page 12
Loading font  (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 13
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT100 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT20 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TT40 (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
   **** Error: Page drawing error occurred.
               Output may be incorrect.
Page 25
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Page 27
Page 28
Page 29
Page 30
Page 31
Page 32
Page 33
Page 34
Page 35
Page 36
Page 37
Page 38
Page 39
Page 40
Page 41
Page 42
Page 43
Page 44
Loading font TimesNewRoman (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Loading font TimesNewRoman,Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Bold
Loading font TimesNewRoman,Italic (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Italic
Loading font TimesNewRoman,BoldItalic (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-BoldItalic
Page 45
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Page 47
Page 48
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Page 50
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Page 52
Loading font  (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font  (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 53
Page 54

The following warnings were encountered at least once while processing this file:
        encountered more Q than q
        encountered more q than Q
        garbage left on stack
        invalid operator used in text block
        BT found inside a text block
        ET found outside text block
        text operator outside text block
        degenerate text matrix
        non standard operator found - ignoring
        number uses illegal exponent form
        found real number when expecting int
        Couldn't find a named resource
        Possible missing white space between operators
        A page ended after a BT had been executed and without a mtching ET

Notes on the error

Related errors by source files

Ghostscript:    A closing mark (] or >>) had no matching mark, ignoring the closing mark
Ghostscript:    A Form XObject had a BBox with a width or height of 0
Ghostscript:    An embedded font is invalid
Ghostscript:    A page ended after a BT had been executed and without a mtching ET
Ghostscript:    BT found inside a text block
Ghostscript:    Couldn't find a named resource
Ghostscript:    degenerate text matrix
Ghostscript:    encountered more q than Q
Ghostscript:    encountered more Q than q
Ghostscript:    error executing PDF token
Ghostscript:    error reading a stream
Ghostscript:    ET found outside text block
Ghostscript:    found real number when expecting int
Ghostscript:    garbage left on stack
Ghostscript:    ignoring zlib error: incorrect data check
Ghostscript:    Incorrect /Length for stream object
Ghostscript:    integer overflowed
Ghostscript:    Invalid number format: scientific notation
Ghostscript:    invalid operator used in text block
Ghostscript:    'loca' length .* is greater than numGlyphs .* in the font .*
Ghostscript:    malformed number
Ghostscript:    missing white space after number
Ghostscript:    non standard operator found - ignoring
Ghostscript:    number uses illegal exponent form
Ghostscript:    Page drawing error occurred.
Ghostscript:    Possible missing white space between operators
Ghostscript:    recoverable image error
Ghostscript:    stack underflow
Ghostscript:    startxref offset invalid
Ghostscript:    text operator outside text block
Ghostscript:    unbalanced or unescaped character '(' in string
Ghostscript:    xref table was repaired
JHOVE:  Improperly nested dictionary delimiters
JHOVE:  Invalid object definition
JHOVE:  No document catalog dictionary

Notice: any operation suggested on this page should be carefully considered before use, as this article is in continuous development.