> On 6 Mar 2020, at 18:21, Costas Manousakis via 4D_Tech <[email protected]> 
> wrote:
> 
> We have not seen a blank preview but shrunk previews where it seemed like the 
> normal letter size page was printed, then reduced in size and then placed on 
> a letter size paper

Thanks for the reply Costas !

Actually I spent some time trying to debug it in interpreted mode on the 
workstation concerned and made some progress. It seems to be to do with 
embedded expressions and the document content. When I removed a certain 
expression (a 4D method I use to populate the document with ‘merge’ data) the 
document became visible so it might not be the preview at all.

It’s as if the logic that generates the content works differently on that 
client. Maybe it got coronavirus.

Peter

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