The input "#3" was not initialized.

[MonaAlmutairi]

Hello everyone,

I'm facing an issue with union tool " Union (619) The input "#3" was not initialized."

what is causing this issue? + how can I fix it?

thank you.

[FinnCharlton · Accepted solution]

Hi @MonaAlmutairi,

You likely have no data flowing into the input #3, causing the error. There are some suggestions on this thread that might help:

https://community.alteryx.com/t5/Alteryx-Designer-Discussions/Union-tool-input-not-initialized/td-p/...

[MonaAlmutairi]

Yes, the input#3 didn't contain any data

Thank you.