The project cannot be built until its prerequisite PokerGameEngine is built. Cleaning and building all projects is recommended

Question

The project cannot be built until its prerequisite PokerGameEngine is built. Cleaning and building all projects is recommended PokerExtension Unknown Java Problem

in eclipse

it shows red cross mark on project.

i have done build automatically and clean all in eclipse for all projects

but it shows red cross

Answer 1

For Eclipse you can find the rebuild option in the top menu under Project > Clean and then select the project you want to clean up... that's all.

Eclipse Clean projects selected below

This will build your project and create a new bin folder.