@ancient-wolf-19325 When I upgraded

flytekit

to

1.13.7

while the backend

flyte

version was

1.13.1

, I got the following system error running remote workflow

RuntimeExecutionError: max number of system retry attempts [51/50] exhausted. Last known status message: worker error(s) encountered: [0]: failed at Node[n0]. RuntimeExecutionError: failed during plugin execution, caused by: failed to execute handle for plugin [sidecar]: [BadTaskSpecification] invalid TaskSpecification, primary container [primary] not defined

Could it be caused by

flytekit

version being ahead of

flyte

version? How does version compatibility work?

Yes, the error could be due to version incompatibility between

flytekit

and the Flyte backend. According to this discussion, the Flyte backend should generally support older versions of

flytekit

, but there is no comprehensive compatibility grid available. Upgrading

flytekit

to a version ahead of the backend can sometimes introduce issues due to new features or changes not supported by the older backend. Would you like more detailed steps on how to handle version compatibility or further assistance? Sources: - this discussion 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.