I got the same thing. Put a marble on the back of my vehicle (Large Rover), pressed the context key ('X' for me, 'C' is the default), game freeze and crash.
Version / Build Number: ASTRONEER 18.104.22.168
OS: Windows 10 x64 Home Version 1803.17134.590
CPU: Intel Core x64 i5-6500 CPU @ 3.20GHz, 4 Cores, 4 Logical Processors
GPU: NVIDIA GeForce GTX 960, Micro-Star International Co., Ltd. (MSI)
RAM: 8 GB (I don't know the model)
Drive: Western Digital Caviar Green 2 TB Desktop Hard Drive