trabajando en papel generico. Problema al generar el datatable

ci4/app/Models/Configuracion/PapelGenericoModel.php

@@ -0,0 +1,92 @@
+<?php
+namespace App\Models\Configuracion;
+
+class PapelGenericoModel extends \App\Models\GoBaseModel
+{
+    protected $table = "lg_papel_generico";
+
+    /**
+     * Whether primary key uses auto increment.
+     *
+     * @var bool
+     */
+    protected $useAutoIncrement = true;
+
+    const SORTABLE = [
+        1 => "t1.id",
+        2 => "t1.nombre",
+        3 => "t1.code",
+        4 => "t1.code_ot",
+        5 => "t1.show_in_client",
+    ];
+
+    protected $allowedFields = ["nombre", "code", "code_ot", "show_in_client"];
+    protected $returnType = "App\Entities\Configuracion\PapelGenericoEntity";
+
+    protected $useTimestamps = true;
+    protected $useSoftDeletes = false;
+
+    protected $createdField = "created_at";
+
+    protected $updatedField = "updated_at";
+
+    public static $labelField = "nombre";
+
+    protected $validationRules = [
+        "code" => [
+            "label" => "PapelGenericoes.code",
+            "rules" => "trim|max_length[5]",
+        ],
+        "code_ot" => [
+            "label" => "PapelGenericoes.codeOt",
+            "rules" => "trim|max_length[5]",
+        ],
+        "nombre" => [
+            "label" => "PapelGenericoes.nombre",
+            "rules" => "trim|required|max_length[255]",
+        ],
+    ];
+
+    protected $validationMessages = [
+        "code" => [
+            "max_length" => "PapelGenericoes.validation.code.max_length",
+        ],
+        "code_ot" => [
+            "max_length" => "PapelGenericoes.validation.code_ot.max_length",
+        ],
+        "nombre" => [
+            "max_length" => "PapelGenericoes.validation.nombre.max_length",
+            "required" => "PapelGenericoes.validation.nombre.required",
+        ],
+    ];
+
+    /**
+     * Get resource data.
+     *
+     * @param string $search
+     *
+     * @return \CodeIgniter\Database\BaseBuilder
+     */
+    public function getResource(string $search = "")
+    {
+        $builder = $this->db
+            ->table($this->table . " t1")
+            ->select(
+                "t1.id AS id, t1.nombre AS nombre, t1.code AS code, t1.code_ot AS code_ot, t1.show_in_client AS show_in_client"
+            );
+
+        return empty($search)
+            ? $builder
+            : $builder
+                ->groupStart()
+                ->like("t1.id", $search)
+                ->orLike("t1.nombre", $search)
+                ->orLike("t1.code", $search)
+                ->orLike("t1.code_ot", $search)
+                ->orLike("t1.id", $search)
+                ->orLike("t1.nombre", $search)
+                ->orLike("t1.code", $search)
+                ->orLike("t1.code_ot", $search)
+                ->groupEnd();
+    }
+}