Just opened up my printer file for the first time since 2.0.45. I had other mods loaded, and clicked the option to sync and load to the mods in this save. I was going to copy the blueprint string and paste it into a new save (minus a few mods), and when I went to click export bp string I got this:
Mods used:
Editor Extensions, Whats a Spoilage, Color Coding, Pushbutton, Space Age
The game was frozen afterwards so I couldn't save post-error. Here's my save before the error:
[2.0.45] Unexpected error occurred with request to post log
Re: [2.0.45] Unexpected error occurred with request to post log
I'm guessing it was a memory issue - this is on an old laptop, and I had a lot of browser tabs open. I closed some and tried again and this time I was able to copy out the 4 mb string.