Column '{colId}' uses unknown iconSet '{name}'. Valid sets: {list}.

Warnings reference › dec-iconset:*:*

Identifier

dec-iconset:*:*

Raised by

The grid (rendering)

Since

1.16.0

What happened

The named built-in icon set does not exist, so no bands could be built and the icon decoration has nothing to draw with. The message lists the sets that do exist.

The fix

Use one of the listed sets, or supply your own bands instead of naming a set.

Reference

Covered in full at the API reference.