Print error after updating to LS 9.17.2.3

I have an LS study which has been in use for years - still runs ok, but after upgrade to 9.17.2.3 I am getting an error when I try to print to PDF

It is objecting to JavaScript and Perl in some question footers.

It identifies 3 questions:

Q=student, -footer- 'rnd' is not a valid identifier

Maxdiff Q cctrain2, -footer- 'cctrain1_1_b' is not a valid identifier

Maxdiff Q gpttrain2, -footer- 'gpttrain1_1_b' is not a valid identifier

The code used in each footer is listed below

The questions 'work' fine when I test the survey.

thanks

Dan

Q=student, footer:

[% SetValue(rnd,RandNum(999,0,100)) %]

[% Begin Unverified Perl

my $a=0;

if(VALUE("rnd")>90)

{

$a=1;

}

SETVALUE("chatbws",$a);

End Unverified %]

Maxdiff Q= cctrain2, footer:

<img src="[%GraphicsPath()%]leastdeter.jpg" alt="" border="0">

<script>

$(document).ready(function(){

SSI_SetSelect('[% QuestionName() %]_b_[% cctrain1_1_b %]', true);

})

</script>

Maxdiff Q= gpttrain2, footer:

<img src="[%GraphicsPath()%]leastdeter.jpg" alt="" border="0">

<script>

$(document).ready(function(){

SSI_SetSelect('[% QuestionName() %]_b_[% gpttrain1_1_b %]', true);

})

</script>

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