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We got this error also in the local dev machine version (on-prem):
```Expected type UUID!```
see here: <https://github.com/PrefectHQ/prefect/issues/4687>

Can you fix this also in the server edition?

Same behaviour like in the issue: reregister the flow, then after 15-30 minutes and three retries it worked again.

Hey <@U01F61UTFUH>, I have just received word that the PR to address this will be opened today on Server and Core, and ideally should be in the next release.

Cool. I'm happy to hear this.
Do you know already, with which release this behaviour started? To be sure, our productive system is no yet affected... :confused:

I think it’s always been like this for large task graphs because of API limits causing registration to fail.

Ok.. On v0.14.12 we never had it so far. Only in the current 0.15.4.