'{key}' was given {value}, which is not one of the shapes it accepts. Check the type against the reference.

Warnings reference › config.value:*

Identifier

config.value:*

Raised by

The grid (core)

Since

1.14.0

What happened

A configuration key was recognised and its value is not a shape it can take - the wrong primitive type, a value outside the allowed set, or something no documented shape could be. The key is ignored and the grid uses its default, so the feature behaves as though you had not configured it. The message states which of the three checks failed and, for an enumerated key, lists the values it accepts.

The fix

Check the key's type in the configuration reference.

Reference

Covered in full at the API reference.