How to resolve build path errors?

Question

If I run my project this error will come build path problem how to solve this error.

error:

1. Description Resource Path Location Type Project 'videothumb' is missing required source folder: 'gen' videothumb Build path Build Path Problem
2. The project cannot be built until build path errors are resolved videothumb Unknown Java Problem

Can any one help me?

Answer 1

Try to clean project and if it still doesn't help close and then open project.