Not able to update geometry field with MultiPoint

[sookoll]

private array $locations = [];
...
$this->locations[] = new Point($y, $x);
...
DB::table('table')->whereId($id)->update(['location' => new MultiPoint($this->locations)]);

Error: SQLSTATE[22003]: Numeric value out of range: 1416 Cannot get geometry object from data you send to the GEOMETRY field (SQL: update table set location = (647298.25 6461126.89),(647550.63 6460742.56) where id = 1)

In what world this SQL is valid SQL? Did I missed something and it should work some other way that documentation do not mention?

[sikhlana]

Did you add location to the $spatialFields property?