Berlin is expressing doubt about the European Union’s ability to withstand the rise of nationalist parties and the pressure from the Trump administration. This unprecedented skepticism in Germany has raised fears of lasting weakening, or even the gradual marginalization, of Europe as it exists today.
There’s a big difference between warning that nationalists are a risk to the European project and expressing doubt about the future of the European project.
The person they’re quoting is a green politician, not the chancellor in the picture, and she’s absolutely pro European.