diff --git a/app/devices/device_imports.php b/app/devices/device_imports.php
index 4b1e0e90be..23567a4054 100644
--- a/app/devices/device_imports.php
+++ b/app/devices/device_imports.php
@@ -17,7 +17,7 @@
 
 	The Initial Developer of the Original Code is
 	Mark J Crane <markjcrane@fusionpbx.com>
-	Portions created by the Initial Developer are Copyright (C) 2018-2020
+	Portions created by the Initial Developer are Copyright (C) 2018-2023
 	the Initial Developer. All Rights Reserved.
 
 	Contributor(s):
@@ -61,10 +61,10 @@
 	ini_set('max_execution_time',7200);
 
 //get the http get values and set them as php variables
-	$action = $_POST["action"];
-	$from_row = $_POST["from_row"];
-	$delimiter = $_POST["data_delimiter"];
-	$enclosure = $_POST["data_enclosure"];
+	$action = $_POST["action"] ?? null;
+	$from_row = $_POST["from_row"] ?? null;
+	$delimiter = $_POST["data_delimiter"] ?? null;
+	$enclosure = $_POST["data_enclosure"] ?? null;
 
 //save the data to the csv file
 	if (isset($_POST['data'])) {
@@ -76,7 +76,7 @@
 
 //copy the csv file
 	//$_POST['submit'] == "Upload" &&
-	if ( is_uploaded_file($_FILES['ulfile']['tmp_name']) && permission_exists('device_import')) {
+	if (!empty($_FILES['ulfile']['tmp_name']) && is_uploaded_file($_FILES['ulfile']['tmp_name']) && permission_exists('device_import')) {
 		if ($_POST['type'] == 'csv') {
 			$file = $_SESSION['server']['temp']['dir']."/devices-".$_SESSION['domain_name'].".csv";
 			if (move_uploaded_file($_FILES['ulfile']['tmp_name'], $file)) {
@@ -114,7 +114,7 @@
 					$schema[$i]['table'] = $table_name;
 					$schema[$i]['parent'] = $parent_name;
 					foreach ($table['fields'] as $row) {
-						if ($row['deprecated'] !== 'true') {
+						if (empty($row['deprecated']) || $row['deprecated'] !== 'true') {
 							if (is_array($row['name'])) {
 								$field_name = $row['name']['text'];
 							}
@@ -492,7 +492,7 @@
 	echo "    ".$text['label-import_data']."\n";
 	echo "</td>\n";
 	echo "<td width='70%' class='vtable' align='left'>\n";
-	echo "    <textarea name='data' id='data' class='formfld' style='width: 100%; min-height: 150px;' wrap='off'>$data</textarea>\n";
+	echo "    <textarea name='data' id='data' class='formfld' style='width: 100%; min-height: 150px;' wrap='off'>".($data ?? '')."</textarea>\n";
 	echo "<br />\n";
 	echo $text['description-import_data']."\n";
 	echo "</td>\n";