What is causing the "TypeError: Cannot convert undefined or null to object" error on multiple pages in Webflow?

The "TypeError: Cannot convert undefined or null to object" is a JavaScript error that occurs when you try to access properties or methods on a variable that is undefined or null. In the context of Webflow, this error usually arises when you're interacting with elements or custom code.

There are several possible reasons why you might encounter this error on multiple pages in Webflow:

1. Undefined or null variable access: This error commonly occurs when you're trying to access a property or method on an object that hasn't been defined or is null. For example, if you have custom code that references an element that doesn't exist on a particular page, it may result in the error. Double-check your code to ensure you're referencing valid objects.

2. Timing and loading issues: If you're using custom code that relies on elements being loaded or JavaScript libraries being present, it's possible that the error arises from the code executing before everything is properly loaded. Consider using event listeners like `DOMContentLoaded` or `load` to ensure your code runs at the appropriate time.

3. Interactions and animations: Webflow's interactions and animations are powerful features, but they can occasionally cause conflicts or issues. If you have complex interactions or animations applied to elements, it's worth investigating if they might be causing the error. Temporarily disable them one by one to identify the problematic one.

4. Incompatible or outdated code: Check if any of the custom code or JavaScript libraries you're using in your project are incompatible with the version of Webflow you're using. Outdated code or libraries can result in errors. Make sure your code is up to date and compatible with the Webflow versions you're working with.

To debug and troubleshoot this error, here are a few steps you can take:

1. Review the error message and stack trace: Look for any specific line numbers or references in the error message that can help identify the source of the problem.

2. Inspect the affected elements and their interactions: Check if any elements or interactions on the affected pages might be causing conflicts or triggering the error. Inspect the console for any additional error messages related to those elements.

3. Temporarily disable code and interactions: To identify the root cause, try disabling portions of your code or interactions one by one. By isolating the problem, you can narrow down the source of the error.

4. Use console.log statements: Insert console.log statements in your code to log the values of variables and objects, ensuring they exist and have the expected values. This can help you pinpoint where the error is occurring.

5. Seek community or Webflow support: If you've exhausted your troubleshooting options or still can't identify the cause, reach out to the Webflow community or support team. They have expertise in diagnosing and resolving such issues and can provide more specific guidance based on your project setup.

Remember to make backups of your project before making any significant changes, and document any modifications you make to the code or interactions for future reference.