Hello,
I’m sorry to hear that you are facing issues with the Table of Contents block in Rank Math. If the Table of Contents block is missing in your blocks, it could be due to a conflict with another plugin or a setting issue.
To troubleshoot this problem, you can follow these steps:
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Check for Plugin Conflicts: Sometimes, other plugins can conflict with Rank Math and cause the Table of Contents block to disappear. You can refer to this guide to diagnose plugin conflicts: Diagnose Plugin Conflicts.
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Ensure Proper Installation: Make sure that Rank Math is correctly installed and activated on your WordPress site.
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Update Rank Math: Ensure that you are using the latest version of Rank Math to avoid any compatibility issues.
If after checking these steps, the issue persists, please reply to this ticket, and a human agent from the Rank Math Support team will assist you further.
Thank you for bringing this to our attention. We appreciate your patience and understanding.
Best regards.
Sources:
How to Add Rank Math’s Table of Contents Block » Rank Math
How to Add Rank Math’s Table of Contents Block » Rank Math
Why Isn’t Rank Math Detecting the Table of Contents? » Rank Math
How to Add Rank Math’s Table of Contents Block » Rank Math
How to Add Rank Math’s Table of Contents Block » Rank Math
1. There are no plugin conficts
2. Rank Math is correctly installed and activated
3. I use the latest version of Rank Math
So please let me know what may be another reason and how to fix it?
Hello,
Please ensure that you are using the latest version of Rank Math plugin. If not yet, please do update them. You may refer to our changelog page here: https://rankmath.com/changelog/
The Schema Module may be disabled at the moment. Please head over to your WordPress Dashboard > Rank Math > Dashboard > Modules and ensure that the “Schema (Structured Data)” is enabled:

Let us know how that goes. Looking forward to helping you.
Hi Jeremy, thank you for the answer. Enabling the Schema Module helped. Have a good day!:)
Hello,
We are super happy that this resolved your issue. If you have any other questions in the future, know that we are here to help you.
If you don’t mind me asking, could you please leave us a review (if you haven’t already) on https://wordpress.org/support/plugin/seo-by-rank-math/reviews/#new-post or TrustPilot about your overall experience with Rank Math? We appreciate your time and patience.
If you do have another question in the future, please feel free to create a new forum topic, and it will be our pleasure to assist you again.
Thank you.