The TOC functionality in Word is based on the bookmarks it creates for the different sections. After cancelling the action, correct broken bookmark links before trying to convert the document to a PDF file.

You can also use the Cancel function from the Ribbon menu at the top of the screen. If the message “Error! Bookmark not defined” immediately after generating the TOC and saving the document, you can immediately restore the original text by pressing the Ctrl + Z key combination. If you get this error while trying to use an automated table of contents (ToC), it is possible that one or more fields contain a broken link to a bookmark. Step 3 : Click “ Repair All” to fix all issues.Step 2 : Click “ Start Scan” to find Windows registry issues that could be causing PC problems.Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).The program fixes common errors that might occur on Windows systems with ease - no need for hours of troubleshooting when you have the perfect solution at your fingertips: Additionally it is a great way to optimize your computer for maximum performance. You can now prevent PC problems by using this tool, such as protecting you against file loss and malware. How to Fix Bookmark Not Defined on Word: Using the Cancel command The only way to get around the problem is to delete the cross-reference field or to ensure that the bookmark to which it refers exists in the document. This may be the case if the bookmark has been deleted or if the bookmark name has been entered incorrectly in the cross-reference field. If a bookmark has been used to create a cross-reference in the document and you see the error where the cross-reference is to appear, it means that the bookmark referenced in the cross-reference field is no longer valid. For this reason, if the bookmark is deleted because of topics deleted from the Word document or because of a change in formatting, we get this undefined error bookmark. The reason for this error is that Word uses a hidden bookmarking system to associate the table of contents with the page number. When creating a PDF file from such a Word document, this error occurs in the PDF file.

This error is quite common when using an automated table of contents in a Word document. In this article, we will discuss an ‘Bookmark not defined’ error. These bookmarks are useful, but can cause problems at times. In Word 2010 documents, “bookmarks” are generally used as a reference or hyperlink for a specific section or location in your Word document that you want to use for future reference. The tool will then repair your computer.Download and install the repair tool here.Updated March 2022: Stop getting error messages and slow down your system with our optimization tool.

Windows 10 how to create a bookmark