Looks like an issue with one of your materials. We need few more lines before that one to identify it. The log should name which material has an issue. Very likely if you open it you will note a compilation error / an invalid node.
Looks like an issue with one of your materials. We need few more lines before that one to identify it. The log should name which material has an issue. Very likely if you open it you will note a compilation error / an invalid node.