@eigenstil Schonmal die SVG mit einem Tool untersucht, z.B. ImageMagick?
Anleitung: https://www.geraldonit.com/validate-an-image-file-using-imagemagick/#:~:text=Verifying%20images%20with%20ImageMagick&text=To%20identify%20whether%20an%20image,to%20ensure%20accurate%20image%20properties.&text=identify%3A%20Premature%20end%20of%20JPEG,c%20%2FJPEGWarningHandler%2F411%20.