BundleValidationError Validation failed for 1 parameter(s). Missing value of required parameter 'to'. Sheets to Gmail Automation

What are you trying to achieve?

I am trying to build a simple automation where I am trying to take emails from a google sheet I have with leads and send emails to them but I keep getting the following error:

BundleValidationError
Validation failed for 1 parameter(s).
Missing value of required parameter ‘to’.

Anytime I run the modules individually they work, but I get this when I run them collectively. Can anyone help me with this? I am new to make and still trying to learn while being in school. Thanks!

Steps taken so far

Searched on YouTube and played around with some things myself but couldn’t figure anything out.