Hi Guys - we just got a similar error when trying to export with what (I think...?) are default settings:
The Error:
We then tried deleting some attachments that were flipped with scaling in case that was causing it (tho it has never done so before), and a particularly big attachment (though only to the tune of 455px though!
After doing that, we received a different error:
We are using 3.8.84 and have never had this issue before
cheers for any info!