SgpDecMakeDoc yields unresoved references and multiply defined lables

[nehaniv]

SgpDecMakeDoc(); yields odd errors about unresolved references and multiply defined labels:

gap> SgpDecMakeDoc();
#I Composing XML document . . .
#I Parsing XML document . . .
#I Checking XML structure . . .
#I Text version (also produces labels for hyperlinks):
#I First run, collecting cross references, index, toc, bib and so on . . .
#I Table of contents complete.
#I Producing the index . . .
#I Reading bibliography data files . . .
#I BibXMLext format: SGPDECbib.xml
#I Writing bibliography . . .
#I Second run through document . . .
#W WARNING: non resolved reference: rec(
BookName := "sgpdec",
Oper := "AsCoords" )
#W WARNING: non resolved reference: rec(
BookName := "sgpdec",
Func := "DependencyDomains" )
#W WARNING: non resolved reference: rec(
BookName := "semigroups",
Func := "IsomorphismTransformationSemigroup" )
#W WARNING: non resolved reference: rec(
BookName := "sgpdec",
Func := "AsFLCoords" )
#W WARNING: non resolved reference: rec(
BookName := "sgpdec",
Func := "AsFLCascade" )
#W WARNING: non resolved reference: rec(
BookName := "sgpdec",
Func := "Perm2Reps" )
#W WARNING: non resolved reference: rec(
BookName := "sgpdec",
Func := "Reps2FLCoords" )
.
.
#I Writing LaTeX file, 4 x pdflatex with bibtex and makeindex,
#W There were LaTeX Warnings:
LaTeX Warning: Label `FLCascadeGroup' multiply defined.

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LaTeX Warning: Label `FLCascadeGroup' multiply defined.

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LaTeX Warning: Label `DisplayFLComponents' multiply defined.

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LaTeX Warning: Label `Perm2Reps' multiply defined.

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LaTeX Warning: Label `Reps2FLCoords' multiply defined.

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LaTeX Warning: Label `FLCoords2Reps' multiply defined.

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LaTeX Warning: Label `Perm2FLCoords' multiply defined.

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LaTeX Warning: Label `FLCoords2Perm' multiply defined.

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LaTeX Warning: Label `LevelKillers' multiply defined.

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LaTeX Warning: Label `LevelBuilders' multiply defined.

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LaTeX Warning: Label `HolonomyCascadeSemigroup' multiply defined.

)

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LaTeX Warning: There were multiply-defined labels.

Package atveryend Info: Empty hook `AtVeryVeryEnd' on input line 1914.

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.
.
etc.