Google Ads Offline Conversion Upload Bug Disrupts Campaigns

Google has confirmed a major bug affecting offline conversion uploads in Google Ads.

Advertisers say a large part of their uploaded conversion data is missing from reports. This issue is now impacting campaign performance, results, and automated bidding.

The company has acknowledged the problem and says a fix is in progress.

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Advertisers Report Missing Offline Conversions

The issue came to light when multiple advertisers noticed sudden drops in their reported conversions. Many said that only a small portion of their offline uploads were being processed.

Key issues reported:

• Around 80% of offline conversions fail to appear in Google Ads
  
• Reporting shows incorrect conversion numbers
  
• ROAS bidding strategies become unstable
  
• Campaigns show drops in clicks and performance
  
• Data mismatch affects overall optimisation
  

Prakash Chandra Durgapal highlighted the issue on X. He said that the missing conversions caused malfunctioning bid strategies and a sharp decline in campaign clicks.

Also read about: Google Search Console Update: New Branded Queries Filter

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Google Responds and Confirms a Fix Is Coming

Google Ads Liaison Ginny Marvin responded to advertisers on X. She confirmed the engineering teams are now working to resolve the issue quickly.

Google’s response includes:

• Acknowledging the offline upload bug
  
• Confirming a high-priority fix is underway
  
• Advising advertisers to expect temporary reporting issues
  
• Suggesting that missing conversions are a known issue, not user error
  

For now, advertisers experiencing problems should monitor their accounts but avoid major bid or strategy changes until Google resolves the bug.

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Summary

A significant bug in Google Ads is preventing offline conversion data from uploading correctly.

This creates inaccurate reporting and disrupts automated bidding strategies.

Google has confirmed the issue and is working urgently on a fix. Advertisers are advised to stay patient and watch for updates.

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