Error:java: invalid source release: 8 in Intellij. What does it mean??

Im trying to compile some code in I'm using Intellij Ultimate 13.1.4, but I get the following error and I have no id...

Error:java: invalid source release: 8 in Intellij. What does it mean??

Im trying to compile some code in I'm using Intellij Ultimate 13.1.4, but I get the following error and I have no id...

“Cannot start compilation: the output path is not specified for module…”?

I have a very simple Java + Gradle project. It builds fine. It runs fine from the shell with "gradle run". However, ...