Hi! I've been encountering this problem both on Core and Cloud; when I map a lot of tasks I've been getting an

lz4 error

and my whole flow fails. Anyone have advice?

Hi @Aliza Rayman - would you mind posting the full traceback?

Untitled

This error suggests that your dask workers do not have the same software installed as the machine from which you are submitting jobs; check out this dask issue for more info: https://github.com/dask/distributed/issues/2605

Thank you, I'll check it out!