diff --git a/www/admin/class_test.php b/www/admin/class_test.php
index 64fbd4e7..dca655aa 100644
--- a/www/admin/class_test.php
+++ b/www/admin/class_test.php
@@ -69,7 +69,7 @@ print '<div><a href="class_test.randomkey.php">Class Test: RANDOM KEY</a></div>'
 print '<div><a href="class_test.system.php">Class Test: SYSTEM</a></div>';
 print '<div><a href="class_test.runningtime.php">Class Test: RUNNING TIME</a></div>';
 print '<div><a href="class_test.debug.php">Class Test: DEBUG</a></div>';
-print '<div><a href="class_test.form.php">Class Test: FORM</a></div>';
+print '<div><a href="class_test.output.form.php">Class Test: OUTPUT FORM</a></div>';
 print '<div><a href="class_test.backend.php">Class Test: BACKEND ADMIN CLASS</a></div>';
 print '<div><a href="class_test.lang.php">Class Test: LANG/L10n</a></div>';
 print '<div><a href="class_test.smarty.php">Class Test: SMARTY</a></div>';
diff --git a/www/lib/CoreLibs/DB/IO.php b/www/lib/CoreLibs/DB/IO.php
index 078e1e31..594b9f36 100644
--- a/www/lib/CoreLibs/DB/IO.php
+++ b/www/lib/CoreLibs/DB/IO.php
@@ -901,7 +901,7 @@ class IO
 	 * - if many this will also hold all non pk names too
 	 * then try to fill insert_id_arr, this is always multi level
 	 * - fill key: value as single array or multi array
-	 * insert_id_ext
+	 * insert_id_ext [DEPRECATED, all in insert_id_arr]
 	 * - holds all returning as array
 	 * TODO: Only use insert_id_arr and use functions to get ok array or single
 	 * @param boolean     $returning_id
@@ -2344,6 +2344,8 @@ class IO
 	 *
 	 * On multiple insert return the position for which to return can be set too
 	 *
+	 * Replacement for insert_id_ext array access before
+	 *
 	 * @param  string|null  $key
 	 * @param  integer|null $pos
 	 * @return array<mixed>|string|int|null
diff --git a/www/lib/CoreLibs/Output/Form/Generate.php b/www/lib/CoreLibs/Output/Form/Generate.php
index 147c749a..aa03d417 100644
--- a/www/lib/CoreLibs/Output/Form/Generate.php
+++ b/www/lib/CoreLibs/Output/Form/Generate.php
@@ -371,7 +371,7 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 			$this->load_query = $config_array['load_query'];
 		}
 		$this->archive_pk_name = 'a_' . $this->pk_name;
-		$this->col_name = str_replace('_id', '', $this->pk_name);
+		$this->col_name = str_replace('_id', '', $this->pk_name ?? '');
 		$this->int_pk_name = $this->pk_name;
 		// check if reference_arrays are given and proceed them
 		if (isset($config_array['reference_arrays']) && is_array($config_array['reference_arrays'])) {