Using the cart assembler corrupts the chunk it's in, to create this place an unpowered assembler, rail and cart in the assembler. Then build a small structure and activate. Crash 1

Crash 2

Running a cart through an assembler with a double chest attached corrupts the chunk as well

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.

Thanks for the report, we'll need a few more details.
In what way does it corrupt, and is there any error message/screenshot of a disconnection prompt you can provide us with?
Cheers~