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The grid (core) ยท console.warn

the where predicate "{name}" threw; its rows are treated as not matching:

Printed by The grid (core), prefixed [lattice], since 1.56.0.

Warnings referencefilters.where.threw:*

Identifier
filters.where.threw:*
Raised by
The grid (core)
Since
1.56.0

What happened

A where predicate threw while judging a row. The row is treated as not matching - the fail-closed direction, so a broken predicate hides rows rather than revealing ones it was meant to exclude. The grid keeps filtering; reported once per predicate.

The fix

The error is attached to the console line. The predicate is called with every row's data, including rows whose fields are missing.

Reference

Covered in full at the API reference.