qds/app/Filament/Resources/LineResource/Pages/CreateLine.php

<?php

namespace App\Filament\Resources\LineResource\Pages;

use App\Filament\Resources\LineResource;
use Filament\Actions;
use Filament\Resources\Pages\CreateRecord;
use Illuminate\Validation\ValidationException;

class CreateLine extends CreateRecord
{
    protected static string $resource = LineResource::class;

    protected function getRedirectUrl(): string
    {
        return $this->getResource()::getUrl('create');
    }

    protected function beforeCreate(): void
    {
        $errors = [];

        if (!empty($this->data['lPlantError'])) {
            $errors['lPlantError'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['lNameError'])) {
            $errors['lNameError'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['lTypeError'])) {
            $errors['lTypeError'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group1_id_error'])) {
            $errors['work_group1_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group2_id_error'])) {
            $errors['work_group2_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group3_id_error'])) {
            $errors['work_group1_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group4_id_error'])) {
            $errors['work_group4_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group5_id_error'])) {
            $errors['work_group5_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group6_id_error'])) {
            $errors['work_group6_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group7_id_error'])) {
            $errors['work_group7_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group8_id_error'])) {
            $errors['work_group8_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($this->data['work_group9_id_error'])) {
            $errors['work_group9_id_error'] = ['Fix the errors before submitting.'];
        }

        //..warranty
        if (!empty($this->data['work_group10_id_error'])) {
            $errors['work_group10_id_error'] = ['Fix the errors before submitting.'];
        }

        if (!empty($errors)) {
            throw ValidationException::withMessages($errors);
        }
    }
}