Added a check for QSL Manager on callbook lookup to skip if its not returned

application/controllers/Logbook.php

@@ -128,12 +128,13 @@ class Logbook extends CI_Controller {
 
 	if (isset($callbook))
 	{
-
 		$return['callsign_name'] = $callbook['name'];
 		$return['callsign_qra'] = $callbook['gridsquare'];
 		$return['callsign_qth'] = $callbook['city'];
 		$return['callsign_iota'] = $callbook['iota'];
-		$return['qsl_manager'] = $callbook['qslmgr'];
+		if(isset($callbook['qslmgr'])) {
+			$return['qsl_manager'] = $callbook['qslmgr'];
+		}
 		if ($return['callsign_qra'] != "") {
 			$return['latlng'] = $this->qralatlng($return['callsign_qra']);
 		}