Thanks for having a look not sure what I am missing?

Here is what my data looks like in FireStore

This is an edit of orignal question I should have shown the model for more context. The problem was the date type.

import SwiftUI
import FirebaseFirestoreSwift

struct Comment: Identifiable, Codable, Hashable {
    var id: String
    var userId: String
    var storyId: String
    var commentText: String
    var createdAt: Date
}

Here is method where I am deleting Firestore data. No error is being thrown? The print statements in method print the expected firestore document id and the whole comment object in question But it also prints the success case and nothing changes in UI or FireStore.

func deleteComment(docId: String,comment: Comment) {
        print("ID here",docId)
        print("Comment",comment)

        let commentData: [String: Any] = [
            "id" : comment.id,
            "userId" : comment.userId,
            "storyId" : comment.storyId,
            "commentText" : comment.commentText,
            "createdAt" : comment.createdAt
        ]

        DispatchQueue.main.async {
            self.store.collection(self.path).document(docId).updateData([
                "comments" : FieldValue.arrayRemove([commentData])
            ]) { error in
                if let error = error {
                    print("Unable to delete comment: \(error.localizedDescription)")
                }  else {
                    print("Successfully deleted comment")
                }
            }
        }

    }

I can successfully add a comment with this method

 func addComment(id: String, comment: Comment) {
        let commentData: [String: Any] = [
            "id" : comment.id as Any,
            "userId" : comment.userId,
            "storyId" : comment.storyId,
            "commentText" : comment.commentText,
            "createdAt" : comment.createdAt
        ]
        store.collection(path).document(id).updateData([
            "comments" : FieldValue.arrayUnion([commentData])
        ])
    }