Firebase rules for house marketplace app

firebase_rules.txt

// FIRESTORE RULES

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    // Listings
    match /listings/{listing} {
    	allow read;
      allow create: if request.auth != null && request.resource.data.imgUrls.size() < 7;
    	allow delete: if resource.data.userRef == request.auth.uid;
      allow update: if resource.data.userRef == request.auth.uid;
    }
   
    // Users
    match /users/{user} {
    	allow read;
    	allow create;
    	allow update: if request.auth.uid == user
    }
  }
}


// STORAGE RULES

rules_version = '2';
service firebase.storage {
  match /b/{bucket}/o {
    match /{allPaths=**} {
      allow read;
      allow write: if
      request.auth != null &&
      request.resource.size < 2 * 1024 * 1024 && //2MB
      request.resource.contentType.matches('image/.*')
    }
  }
}

so i'm getting toast error and also logs in my account.......how do i fix this ? @bradtraversy