There is a problem with Chrome 80 and the PostScript passthrough. The bug is confirmed by Google and they are trying to fix it.
The PDF printer version 11.12 contains a fix/workaround for this problem. This means that if you see the following error when printing to PDF then you just upgrade to the newest version.
%%[ ProductName: GPL Ghostscript ]%% %%[Page: 1]%%%%[Page: 2]%% %%[ Error: typecheck; OffendingCommand: setlinecap ]%%
If you are interested then you can check this link to see the actual fix that the next version of Chrome will have.
One of our users also reported having seen this problem with the Firefox browser. However, this is not confirmed.