Flow Issue - want to send email when record is poulated/updated

Hi there, hoping someone can help - I'm a beginner, so bear with me - this flow is failing , and I am sure the condition is wrong, however I am unsure why(image attached) - I have used the "is changed" operator

Error:

• We can't save this record because the “Final Delivery Date” process failed. Give your Salesforce admin these details. Missing required input parameter: SObjectRowId Error ID: 1435255704-485689 (1812673040)Missing required input parameter: SObjectRowId Error ID: 1435255704-485689 (1812673040)

#Flow