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Charts ยท console.warn

chart aggregate {value} is not a mode; use o...

Printed by Charts, prefixed [lattice], since 1.72.0.

Warnings reference › chart:aggregate:mode:*

Identifier
chart:aggregate:mode:*
Raised by
Charts
Since
1.72.0

What happened

spec.aggregate named something other than 'auto', 'engine' or 'client' - a typo, most often. Rather than force a mode from a value that means nothing, the chart falls back to 'auto' and still draws; the mode it actually used is what chart.provenance().asked reports.

The fix

Use one of 'auto', 'engine' or 'client'. 'auto' is the default and needs no explicit value at all.

The smallest fix

createChart({ grid, container, type: 'bar', x: 'region', y: 'revenue', aggregate: 'engine' });

Reference

Covered in full at the API reference.