Version 4.7.23

applications/nexus/sources/Gateway/PayPal/Exception.php

@@ -94,7 +94,7 @@ class _Exception extends \DomainException
 				break;
 			
 			default:
-				if( isset( $details ) AND $details[0]['issue'] === 'INSTRUMENT_DECLINED' )
+				if( isset( $details[0] ) AND $details[0]['issue'] === 'INSTRUMENT_DECLINED' )
 				{
 					$message = \IPS\Member::loggedIn()->language()->get( 'payment_refused' );
 				}