No module named ttkbootstrap.constants

It seems like you are encountering an error related to the module `ttkbootstrap.constants`. This error typically occurs when the module is not installed or cannot be found.

To resolve this issue, you can try the following steps:

1. Make sure you have installed the `ttkbootstrap` package. You can install it using pip by running the following command:

   pip install ttkbootstrap

2. If you have already installed `ttkbootstrap`, try reinstalling it to ensure that all dependencies are properly installed:

   pip uninstall ttkbootstrap
   pip install ttkbootstrap

3. Check if there are any version compatibility issues between `ttkbootstrap` and other packages in your project. You can try installing specific versions of the package to see if it resolves the issue.

If none of the above solutions work, please provide more information about the specific error message and the context in which it occurs so that I can assist you further.