During the tutorial : http://www.qgistutorials.com/en/docs/performing_spatial_queries.html

I have a error message like below.


What is the providers mean?

I really try to figure it out but nothing I can find.

My qgis version is QGIS 2.18.19

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.