Custom fields importing empty

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• I have enabled debug mode
• [ x] I have read checked the Common Issues page

Describe the bug
I create a custom field (text) and added to the asset models. when i tried to import the custom field never get imported

To Reproduce
I create a custom field (text) and added to the asset model.
I download the asset import CSV from your page and add my assets just 1 to test , I add the custom field column exactly as I created.
when I upload the csv, I choose asset and all the columns get recognized , excepted the custom one which i have to select the right value to match .
when i process everything goes fine and the asset get imported but the custom field import blank.

I then tried in asset model to give a default value to the custom field
then delete the imported asset and re-imported again without the custom field column
the asset get imported and custom field column is blank

Expected behavior
the custom field value to get imported

Server (please complete the following information):

• Snipe-IT Version 4.9.4
• OS: [Ubuntu18.04]
• Web Server: [Apache II]
• PHP Version 7.2.32

Desktop (please complete the following information):

• OS: [Windows]
• Browser [chrome]
• Version [84]

Error Messages

administrator@snipeit:/var/www/snipeit$ tail -f /var/www/snipeit/storage/logs/laravel.log
#97 /var/www/snipeit/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#98 /var/www/snipeit/vendor/barryvdh/laravel-cors/src/HandlePreflight.php(29): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#99 /var/www/snipeit/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(149): Barryvdh\Cors\HandlePreflight->handle(Object(Illuminate\Http\Request), Object(Closure))
#100 /var/www/snipeit/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#101 /var/www/snipeit/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(102): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#102 /var/www/snipeit/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#103 /var/www/snipeit/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request))
#104 /var/www/snipeit/public/index.php(58): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))
#105 {main}

Additional context

• Is this a fresh install or an upgrade? fresh