reading column '{colId}' threw while diffing.

Warnings reference › diff.read.throw:*

Identifier

diff.read.throw:*

Raised by

The grid (core)

Since

1.0.1

What happened

A computed column's getter threw while the diff was reading the previous or current value. That value reads as undefined, so the column is diffed against nothing and will usually appear as a change.

The fix

The error is attached to the console line. The diff reads the *snapshot* row as well as the live one, and a snapshot may lack fields the live row has.

Reference

Covered in full at the API reference.