[Self-Host] Markdown is empty, HTML works fine

[firstcomeuropeag]

Describe the Issue
When i try to scrape a Website URL, the markdown value is empty in the result.
When i try another domain/url, where is markdown output.

Why and how can i fix that?

To Reproduce

{
        "url": "https://www.firstcomeurope.de",
        "formats": ["markdown", "html"], 
        "onlyMainContent": true
}

Screenshots

Environment (please complete the following information):

• OS: Debian 12
• Firecrawl Version: 1.5
• Docker Version 28.0.1