CAD data that has been converted using DELTAGEN or DELTABATCH 2017 cannot be properly read by software versions 13.1 and earlier.
Appearance of materials as well as scene objects may be displayed differently and not behave as expected.
This behavior is expected.
Please make sure to upgrade all process pipelines to version 2017 or newer and avoid using versions 13.1 or older at any point. Data saved with DELTAGEN 2017 and newer is incompatible with older versions.