PrevierThumbnails error in Firefox Mozila

[DenisRaicu]

When I add the previewThumbnails option I get an error, it works and shows me the preview but I get an error in the console.

The steps to reproduce the error are as follows:

Add the library to a project in Nextjs 12.
Activate the previewThubnails option.
Run the project in Mozilla Firefox.

This is the error:

This is the code:

I am using:
Windows 11 Version 22H2
Firefox Developer Edition 110.0b9 (64-bit)

It is worth mentioning that the error only happens in Firefox, in Chrome everything goes correctly.