Problem
While preparing your research article in accordance with the journals under the IOPscience, one has to use the document class- iopart. However when we include the iopart as the document class in MikTeX, we get a compilation error as shown in picture:
Solution
Solution to this mess is damn easy! What you have to do is follow these simple steps:
1. Hit this link: IOP and download the zip file ioplatexguidelines by clicking the link visible on the appeared window.
2. Save this zip file in a folder on your PC.
3. After this extract all the files of this folder….Remember..all files have to be extracted!
4. Now save your article with document class iopart in this folder. And that’s it. LaTeX will successfully compile your article.