Getting exception Call to undefined method, when trying to append accessor with new syntax

[itxshakil]

• Laravel Version: 8.77.1
• PHP Version: 8.0
• Database Driver & Version: mysql

Description:

I am getting issue
Call to undefined method App\Models\Product::getLowestPriceAttribute()
Even though I have defined lowestPrice function that returns CastsAttribute.

public function lowestPrice()
{
return \Illuminate\Database\Eloquent\Casts\Attribute::get(function(){
return 0; #some calculation
});
}

Working:
$product->lowestPrice

Not Working:
$product->append('lowestPrice');

Throws
Call to undefined method App\Models\Product::getLowestPriceAttribute()

[Jubeki]

You probably must append the Property with snake case: lowest_price / lowest_vendor
See also #40551

(I an not sure about this)

[driesvints]

Please use lowercase like @Jubeki suggests (thanks)