Fix setting "course_log_hide_columns" needs a "columns"

main/install/configuration.dist.php

@@ -198,7 +198,7 @@ $_configuration['system_stable'] = NEW_VERSION_STABLE;
 // 'french' => array('format' => 'title last_name first_name', 'sort_by' => 'last_name')
 //);
 // Course log - Default columns to hide
-//$_configuration['course_log_hide_columns'] = array(1, 9);
+//$_configuration['course_log_hide_columns'] = ['columns' => [1, 9]];
 // Unoconv binary file
 //$_configuration['unoconv.binaries'] = '/usr/bin/unoconv';
 // Proxy settings for access external services

main/tracking/courseLog.php

@@ -88,7 +88,10 @@ if ($export_csv) {
     ob_start();
 }
 $columnsToHideFromSetting = api_get_configuration_value('course_log_hide_columns');
-$columnsToHide = empty($columnsToHideFromSetting) ? array(0, 8, 9, 10, 11) : $columnsToHideFromSetting;
+$columnsToHide = [0, 8, 9, 10, 11];
+if (!empty($columnsToHideFromSetting) && isset($columnsToHideFromSetting['columns'])) {
+    $columnsToHide = $columnsToHideFromSetting['columns'];
+}
 $columnsToHide = json_encode($columnsToHide);
 
 $csv_content = [];