Cannot use "::class" on null TypeError when exporting

I have a strange bug when exporting so decide to ask here to see if anyone know the fix.

Here is my export code

public static function getColumns(): array
    {
        return [
            ExportColumn::make('name'),
            ExportColumn::make('email'),
            ExportColumn::make('mobile_phone'),
            ExportColumn::make('enabled'),
        ];
    }

public static function getColumns(): array
    {
        return [
            ExportColumn::make('name'),
            ExportColumn::make('email'),
            ExportColumn::make('mobile_phone'),
            ExportColumn::make('enabled'),
        ];
    }

public static function getColumns(): array
    {
        return [
            ExportColumn::make('name'),
            ExportColumn::make('email'),
            ExportColumn::make('mobile_phone'),
            ExportColumn::make('enabled'),
        ];
    }

public static function getColumns(): array
    {
        return [
            ExportColumn::make('name'),
            ExportColumn::make('email'),
            ExportColumn::make('mobile_phone'),
            ExportColumn::make('enabled'),
        ];
    }

It was nothing special and work previously (the last time i export is a long time ago) so I'm not sure what mistake i made

I'm on the latest version of php 8.4, laravel 12 and filament if it helps

Solution

Try updating to the latest Filament version again

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Cannot use "::class" on null TypeError when exporting

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