RimWorld

RimWorld

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Fix missing techprints & 0 silver / 0 goods trader bug (Vanilla)
By MikeLayne
Currently there may are techprints issues if you don't have Royalty DLC and affected mods installed. (May 2020)
If you have a red error message in your error log like down below or like in title above if you have empty traders 0 silver / 0 goods then this could have most likely triggered by missing techprints. These "destroyed" traders stays destroyed if possible load a pre save.

"Config error in LLVY_OrbitalScanner: defines techprintCount, but techprints are a Royalty-specific game system and only work with Royalty installed."

I describe in this guide how I got fixed the error from the mod "Orbital Scanner". Other affected mod could be similiar to solve but fact is it isn't the same! But better than nothing.

Special thanks to @Hips-Chan @Mr. Mauer @Rihlsul @lunΔr
   
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Info: I don't have big knowledge of programming
Required knowledge : path finding (explorer), handling of notepad ++ and their (free) download/install, handling of dev mode ingame
(u can enable it in the "Options", the first icon on top is the error log also named debug log)

Short for who are little bit experienced: Go to your Steam Workshop. And delete that techprint related lines. If you don't know much as me read on.

My path, not yours, you may have \Program Files\ after \Steam\ and a other hard drive:
[E:\Steam\steamapps\workshop\content] -> then search for mod ID which u see it in the URL above the mod site (Steam Workshop !Browser!) or if u don't find, search instead of mod ID "preview" and right click to the mod picture and choose "open file location", this case "2051517738" then
[search results in "content" -> 2051517738\Defs] right click open with notepad++ the file "Buildings_OrbitalScanner" (XML)
then scroll down or search for "techprint" and delete the following lines

<techprintCount>1</techprintCount>
<techprintMarketValue>1000</techprintMarketValue>
<heldByFactionCategoryTags>
<li>Empire</li>
<li>Outlander</li>
</heldByFactionCategoryTags>

If you did exactly the same thing like me then an empty line will appear. Delete this so it would be "round". Sry for that english.
Save now. If you start rimworld you shouldn't have any red or yellow error messages that's related to Orbital Scanner mod or that mod you try on it. If not, learning by doing, test it, like I did it. If yes, that's should be fine.

If you are an experienced developer and I do wrong with delete one of these lines please say me somehow.