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The grid (core) ยท console.warn

removing rows from a live stream is not supported; reload instead.

Printed by The grid (core), prefixed [lattice], since 1.0.1.

Warnings referencesource.stream.remove

Identifier
source.stream.remove
Raised by
The grid (core)
Since
1.0.1

What happened

A change carrying removals was applied to a stream source. The additions in the same change are applied; the removals are not, so those rows stay on screen. A stream is an append-and-evict structure, and removing an arbitrary row from the middle of it is not an operation it offers.

The fix

Reload the stream to drop rows, or let the rolling window evict them.

Reference

Covered in full at the API reference.