Title: Error when Exporting Flashcards from Obsidian to Anki: TypeError in CardsService.updateFrontmatter

[TammoR]

I am experiencing an error when using the Obsidian plugin to export flashcards to Anki. Below are the details of the error message and the relevant code snippets.

plugin:flashcards-obsidian:6922 TypeError: Cannot read properties of undefined (reading 'start')
    at CardsService.updateFrontmatter (plugin:flashcards-obsidian:6933:75)
    at CardsService.eval (plugin:flashcards-obsidian:6916:30)
    at step (plugin:flashcards-obsidian:68:23)
    at Object.eval [as next] (plugin:flashcards-obsidian:49:53)
    at fulfilled (plugin:flashcards-obsidian:39:58)
Code Snippet (Lines 6932, 6933):

Here is plugin:flashcards-obsidian:6932:

if (frontmatter) {
    var oldFrontmatter = this.file.substring(frontmatter.position.start.offset, frontmatter.position.end.offset);

It looks like frontmatter has no position attribute.

This is on Anki 24.11 and Obsidian 1.7.7