Project facet Java version 1.7 is not supported

Project facet Java version 1.7 is not supported 

When i update my java I found the issue "Project facet Java version 1.7 is not supported" To resolve this issue follow the steps.

1. Go to Ecllipse , right click on your project folder
2. select the properties
3. now select Project Facets ,here you will see java, click on the version and change the higher version to lower or as per your requirement .