Problem

Try this

Background traced instead of the subject

Enable Invert or switch between Auto, Dark Shapes and Light Shapes.

Nothing appears

Choose an image, inspect the mask, and adjust Threshold.

Jagged edges

Use a better-resolution source, increase Soften or Smoothing, or select Smooth curves.

Thin details disappear

Raise Accuracy and reduce Simplify or Soften.

Tiny dots become objects

Increase Remove Specks, especially for noisy JPGs or textured paper.

Letter holes are filled

Turn off Fill All Holes or reduce Fill Small Holes.

Sharp corners are rounded

Lower Corner Angle, for example to 25°.

Extra colour bands appear

Reduce Colours or increase Soften in Multi-Colour mode.

Image material is pink or missing

Reopen the image or enable Pack Image before tracing.

Changes are slow

Lower Accuracy/Relief Detail, disable Live Retrace while adjusting, then Retrace.

Edited source image is not reflected

Choose Tools → Clear Cache, then Retrace.

SVG import warning in Blender 3.6–4.1

Enable Import-Export: Scalable Vector Graphics (SVG).

Apply is unavailable

Return to Object Mode by pressing Tab.