Warning: Template Errors

[fzweclipse]

Hello, I discovered a difficulty while extracting Wikipedia. I received a warning for template errors while processing the xml file. Do you have any suggestions for how to fix it?
thanks
https://user-images.githubusercontent.com/18735318/171142241-ecf419c2-2601-4aa2-af5a-601c646b55ff.png

[fzweclipse]

can you provide some suggestion? I can change the code to avoid it. Thanks